OLO BOOK HELP CENTRE

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Search practical answers for billing, stock, GST, payments, payroll and data safety.

Getting started

What is Olo Book and who is it for?

Olo Book is an Android business app for billing, purchases, inventory, parties, payments, expenses, reports, attendance and payroll. It is designed for Indian retail, mobile, electronics, repair and service businesses.

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Getting started

Does Olo Book work without internet?

Core billing and business records are designed to work offline on the device. Internet may still be required for online services, sharing links, updates or cloud-connected features.

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Getting started

How do I create my first business?

Complete the onboarding details, choose the business and tax settings, then add opening products and parties. Review the information before starting live billing.

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Getting started

What is the difference between GST and non-GST billing?

GST invoices include applicable tax details such as GSTIN, tax rate and HSN/SAC information. Non-GST bills do not calculate GST. Select the mode that matches your business registration and transaction.

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Getting started

Can I manage multiple businesses?

Use a separate business profile for each legal or operational business when the option is available in your plan. Keep tax identity, invoice sequence and stock separate for accurate records.

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Sales, purchases & invoices

How do I create a sale invoice?

Open New Sale, select or add the party, add items or services, choose payment details and save the sale. Check invoice details before saving.

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Sales, purchases & invoices

How do I change an invoice prefix or number?

On New Sale, tap the compact Invoice Details area. Choose a prefix from the dropdown and edit the available invoice number, then save.

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Sales, purchases & invoices

How do I add or delete an invoice prefix?

Open the prefix list and use Add Prefix at the bottom. A prefix can be deleted from its list-row delete icon only when no transaction uses it.

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Sales, purchases & invoices

How do I set an invoice due date?

Open Invoice Details and choose 15, 30 or 45 days, or select Custom to pick a date. The custom date field appears only after Custom is selected.

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Sales, purchases & invoices

How do I record a cash or credit sale?

Choose the payment status and mode while saving the sale. Record unpaid or partly paid value correctly so the party balance and outstanding reports remain accurate.

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Sales, purchases & invoices

How do I add a purchase bill?

Open Purchase, select the supplier, add purchased items with quantity, cost and tax details, then record payment status and save.

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Sales, purchases & invoices

How do I edit or cancel an invoice?

Open the saved transaction and use the available edit or delete action. Review stock, payment, tax and ledger impact before confirming any change.

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Sales, purchases & invoices

How do I print or share an invoice PDF?

Open the saved invoice and choose Print or Share. Select the available invoice format, preview it and then send it using the supported app.

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Sales, purchases & invoices

How do estimates, delivery challans and returns work?

Use the matching document type for a quotation, movement of goods or reversal. Convert or link records only through available actions so stock and party balances remain consistent.

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GST & tax

What details are required on a GST invoice?

Typically include supplier and customer details where applicable, GSTIN, invoice number and date, item description, HSN/SAC, quantity, taxable value and tax breakup. Requirements can vary, so confirm current rules with a tax professional.

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GST & tax

Where do I add a customer GSTIN and address?

While adding a party, open Advanced Setup and enter GSTIN, billing address and shipping address. These details can then be used on supported invoice formats.

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GST & tax

When are CGST, SGST and IGST used?

In general, intra-state supplies use CGST and SGST, while inter-state supplies use IGST. The correct treatment depends on place-of-supply and current GST rules.

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GST & tax

How do I add an HSN or SAC code?

Open the product or service tax details and enter the applicable HSN or SAC code. Verify the code and tax rate before issuing a GST invoice.

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GST & tax

What is inclusive and exclusive tax?

Inclusive pricing already contains tax in the entered price. Exclusive pricing adds tax above the entered taxable value. Choose the method used by your business and verify the invoice total.

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GST & tax

Does Olo Book file GST returns or provide reports?

Olo Book can organize billing records and available GST reports. Do not assume a return has been filed unless a clearly supported filing workflow confirms submission. Verify filings on the official portal or with your tax professional.

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GST & tax

What are credit notes and debit notes?

They adjust the value or tax effect of an earlier transaction. Use the correct document for returns, short billing or value corrections and retain a link to the original transaction.

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Inventory, barcode & IMEI

What is the difference between a product and a service?

Products normally affect stock quantity; services normally do not. Choose the correct type so inventory and profit reports remain meaningful.

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Inventory, barcode & IMEI

How do I add opening stock?

Enter the quantity and cost available before you begin recording live transactions. Use the correct date and value because opening stock affects inventory and profit reports.

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Inventory, barcode & IMEI

How do I bill using a barcode?

Assign or scan a valid barcode on the product, then use the scanner in the sale flow to find and add the matching item. Confirm quantity and price before saving.

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Inventory, barcode & IMEI

How does IMEI and serial-number tracking work?

Record each unique IMEI or serial while purchasing or adding stock, then select the available identifier during sale. This helps trace which unit entered and left the business.

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Inventory, barcode & IMEI

How do I use low-stock alerts?

Set a minimum stock level on the product where supported. Review low-stock indicators regularly and confirm actual quantity before reordering.

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Inventory, barcode & IMEI

When should I make a stock adjustment?

Use an adjustment only when physical stock differs from recorded stock for a known reason such as damage, loss or count correction. Add a clear reason for audit history.

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Inventory, barcode & IMEI

Why can’t I delete a product linked to transactions?

Deleting it would break invoice, stock and report history. A product can be permanently deleted only when no transaction references it; otherwise remove the referencing transactions safely first.

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Parties, payments & credit

How do I add GSTIN, addresses and credit details to a party?

In Add Party, enter the basic details and open Advanced Setup. Add GSTIN, billing address, shipping address and available credit settings, then save.

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Parties, payments & credit

What is a party opening balance?

It is the amount receivable from or payable to a party before you start recording transactions in Olo Book. Enter the direction and amount carefully to avoid an incorrect ledger.

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Parties, payments & credit

How do I set a customer credit limit?

Open the party’s advanced details and enter the available credit setting where supported. Review outstanding balance before approving additional credit.

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Parties, payments & credit

How do I record a partial payment?

Enter the amount received and keep the remaining value pending or part-paid. The balance should continue to appear in the party ledger and outstanding reports.

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Parties, payments & credit

How do I receive payment using UPI QR?

Select Online UPI as the payment mode. The QR opens automatically where configured; the customer scans it and you confirm the payment before saving the transaction.

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Parties, payments & credit

Where can I see pending payments and party balances?

Open the party ledger or outstanding report to review invoices, receipts and the remaining balance. Confirm the date range and party before relying on the total.

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Parties, payments & credit

How do I share a payment reminder?

Open the party or pending transaction and use the available reminder/share action. Review the amount, party name and message before sending.

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Expenses, cash & reports

How do I record a business expense?

Choose the expense category, enter amount, date, payment account and a useful reference, then save. Use consistent categories for meaningful reports.

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Expenses, cash & reports

What is petty cash and how should I use it?

Petty cash tracks small day-to-day cash expenses separately. Record every issue and expense so the displayed balance matches the physical cash.

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Expenses, cash & reports

How do I track cash, bank and UPI balances?

Use the available account or payment-mode reports and select the required period. Reconcile app totals with cash and bank records regularly.

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Expenses, cash & reports

How do I understand the profit and loss report?

The report summarizes recorded income and costs for the selected period. Accurate purchase cost, expenses, returns and dates are essential; it is a management report, not a substitute for audited accounts.

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Expenses, cash & reports

Where can I see daily sales and purchases?

Open Reports, choose the sale or purchase report and set the required date or range. Check filters before comparing totals.

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Expenses, cash & reports

Can I export reports to PDF or Excel?

Use the export or share action shown on a supported report. Available formats can differ by report and app version, so preview the exported file before sending it.

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Staff & payroll

How do I add an employee?

Open Staff, add the employee’s required details and configure their role, attendance and salary settings where applicable.

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Staff & payroll

How do I record staff attendance?

Open Attendance, select the date and mark each employee using the available status. Review the day before finalizing payroll.

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Staff & payroll

How are salary advances and adjustments handled?

Record the advance against the correct employee and date. Apply the supported deduction or adjustment during payroll and verify the final salary before payment.

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Staff & payroll

How do I generate a payslip or salary slip?

Complete attendance and payroll for the period, review earnings and deductions, then use the available salary slip or payslip view, download or share action.

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Staff & payroll

How do staff permissions work?

Give each employee only the access needed for their role. Review permissions when duties change and never share the owner account credentials.

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Data, security & subscription

Where is Olo Book business data stored?

Olo Book is designed around device-local, offline-first business data. Availability of backup or connected services depends on the enabled version and settings. Protect the device and maintain verified backups.

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Data, security & subscription

How do I back up and restore my data?

Use only the backup and restore workflow available inside Olo Book. Keep a separate verified copy, do not edit backup files, and confirm the business and record count after restoring.

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Data, security & subscription

How do I move Olo Book data to a new phone?

Create and verify a backup on the old phone, securely transfer it, install the compatible app on the new phone and use the supported restore flow. Do not uninstall or clear old data until verification is complete.

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Data, security & subscription

Will an app update delete my existing business data?

A genuine compatible update should preserve existing app data. Verify the package and source, keep a current backup and never uninstall or clear app data as part of a normal update.

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Data, security & subscription

What should I do if login or verification fails?

Check the selected account, internet connection and device date/time, then retry. Do not repeatedly create new accounts; contact official support if the problem continues.

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Data, security & subscription

What happens after the 15-day trial and what is included in the annual plan?

The trial lets you evaluate supported Olo Book features. Current price, renewal terms and included features should always be confirmed on the Pricing page or inside the app before payment.

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Data, security & subscription

What happens to my data if the subscription expires?

Expiry can limit paid functionality, but business data must not be treated as disposable. Keep a verified backup and check the current in-app renewal and access notice for exact behavior.

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Getting started

How do I upload or change my business logo?

Open More → Business Settings → Business Profile. In Logo, tap Upload logo, choose a PNG or JPEG image, adjust the crop and save the profile. A transparent image of at least 512 px works best; the file must be smaller than 5 MB.

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Getting started

How do I upload or draw an authorized signature?

Open More → Business Settings → Business Profile. Under Authorized signature, choose Draw signature or Upload image, adjust it and save the profile. Use a clear horizontal PNG or JPEG smaller than 5 MB.

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Data, security & subscription

How do I set an app password, PIN or fingerprint lock?

Open More → Security & Data → PIN, Password & Fingerprint (shown as Security and access in some versions). Set the available owner PIN or password, enable app lock, then optionally enable Android device biometrics and choose an automatic-lock time. Current releases may use a 4-digit PIN instead of a separate password.

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Data, security & subscription

How do I contact Olo Book support?

Use the official Help & Support option in the app or contact Olo Wings through the verified details on olobook.in/contact. Never share passwords, OTPs or full sensitive business data.

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Sales, purchases & invoices

How do I connect a thermal printer?

Pair the supported printer in Android settings, then open Print and document settings in Olo Book and print a test bill. Keep PDF available as a fallback.

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Sales, purchases & invoices

Should I use 58 mm or 80 mm thermal paper?

Choose the size supported by your printer. An 80 mm receipt gives more space and is the recommended default where available; preview before printing.

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Sales, purchases & invoices

How do I select an A4 invoice template?

Open Print and document settings, choose A4 invoice templates and set the preferred design as default. Preview a saved invoice before sharing.

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Sales, purchases & invoices

How do I set the default print format?

Open Print and document settings and select Thermal 80 mm or A4 invoice as the default print style. You can still change the format while printing.

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Sales, purchases & invoices

Why is my logo or signature missing from the invoice?

Save the logo or authorized signature in Business Profile, then use a template that supports it and generate a fresh preview. Recheck the image if it is blank or unclear.

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Sales, purchases & invoices

Why does the printed bill look different from preview?

Confirm paper size, scale, margins and orientation in the Android print dialog. Use the same template and printer profile shown in preview.

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Inventory, barcode & IMEI

How do I print barcode or QR labels?

Open Print and document settings, choose Barcode and QR labels, select a supported label design and verify its physical size before printing a batch.

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Sales, purchases & invoices

How do I add invoice terms or footer text?

Save the required text in the available business or document settings, then use a template that displays terms and verify it in preview.

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Sales, purchases & invoices

How do I create a sales return?

Open Returns and replacement, choose Sales Return, select the original sale where available, enter returned items and verify stock, party balance and refund before saving.

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Sales, purchases & invoices

How do I create a purchase return?

Open Returns and replacement, choose Purchase Return, link the supplier purchase where available and confirm returned quantity, value and payment adjustment.

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Sales, purchases & invoices

How do I record an item replacement?

Use Returns and replacement so both the returned and replacement items remain traceable. Verify any price difference and payment before saving.

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Sales, purchases & invoices

How do I safely delete a wrong transaction?

Open the transaction and use its available delete action only after checking stock, party balance, payment and linked returns. Prefer editing when the record should remain traceable.

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Sales, purchases & invoices

What changes when I edit a saved transaction?

Editing can change stock, party balance, tax, payment and reports. Review every affected value and save only when the revised document is correct.

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Parties, payments & credit

How do I correct or reverse a wrong payment?

Open the payment record and use the supported edit, reversal or delete action. Confirm the party and cash or bank account before saving the correction.

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Inventory, barcode & IMEI

Why can I not add a duplicate IMEI or serial number?

Each IMEI or serial number must uniquely identify one stock unit. Search existing stock and transaction history before correcting the entry.

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Inventory, barcode & IMEI

Why is a sold IMEI unavailable for another sale?

A sold serial is no longer available stock. Use the linked sales-return flow first if the device genuinely came back.

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Inventory, barcode & IMEI

Why is stock showing negative?

Check opening stock, purchase quantity, sale date, returns and edits for that item. Correct the source transaction instead of manually masking the difference.

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Inventory, barcode & IMEI

What should I do when physical stock and app stock do not match?

Count the item again, review its stock history and identify missing purchases, sales, returns or damage. Record a justified adjustment only after review.

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Inventory, barcode & IMEI

Can I sell an item with no available stock?

Follow the current business setting and warning shown by Olo Book. For reliable profit and inventory, record the purchase or opening stock before selling.

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Inventory, barcode & IMEI

How do I record damaged or lost stock?

Use the available stock-adjustment flow with the correct reason, quantity and date. Keep a note or evidence for audit and reporting.

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Inventory, barcode & IMEI

Why is the barcode scanner not working?

Allow camera permission, clean the lens, use good light and hold the code steady. If it still fails, search or enter the barcode manually.

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Inventory, barcode & IMEI

Where can I see IMEI or serial history?

Search the IMEI or serial in inventory and open its available history to review purchase, sale and return references.

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Parties, payments & credit

How do I create cash or bank accounts?

Open Expense, bank and cash, add the account with a clear name and opening balance, then verify it before recording transactions.

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Parties, payments & credit

How do I set a default payment mode?

Choose the available default in payment or business settings. Always confirm the mode on unusual transactions before saving.

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Parties, payments & credit

How do I set up Online UPI and QR collection?

Complete the available UPI setup with the correct business payment details. When Online UPI is selected during collection, verify the amount and recipient shown on the QR.

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Parties, payments & credit

Why is the UPI QR code not appearing?

Confirm that Online UPI is selected, the amount is valid and UPI details are configured. Switch to another mode and select Online UPI again to reopen it.

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Parties, payments & credit

How do I record a received or issued cheque?

Choose the cheque payment mode and record the party, amount, cheque reference, bank and date. Update its status when the bank confirms the result.

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Parties, payments & credit

How do I mark a cheque as cleared or bounced?

Open the cheque record and update it only after bank confirmation. A bounced cheque should not remain counted as cleared payment.

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Parties, payments & credit

How do I reconcile the app balance with my bank?

Compare the account ledger with the bank statement for the same date range, then review pending cheques, missing entries and wrong accounts.

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Expenses, cash & reports

How do I check the daybook or daily closing balance?

Open Daybook and closing, select the date and compare opening, receipts, payments and closing totals before ending the day.

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Staff & payroll

How do I set an employee salary?

Open the employee profile and enter the applicable salary and role details. Review the effective period before payroll.

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Staff & payroll

How do I correct past attendance?

Open Attendance, select the required date, change the employee status and save. Recalculate or review payroll if it was already prepared.

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Staff & payroll

How do I settle and record salary payment?

Review attendance, salary, advance and deductions for the period, confirm net payable, then record the payment against the employee.

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Staff & payroll

How do I track salesman commission?

Assign the salesman to applicable sales and use the available commission settings or report. Verify returns and cancelled sales before settlement.

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Staff & payroll

Can I delete an employee with payroll history?

Preserve employees linked to attendance, salary or transactions. Use the available inactive or access-removal option when historical records must remain.

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Getting started

How do I edit company name, address or GSTIN?

Open More → Business Settings → Business Profile, update the details and save. Preview a new invoice to confirm the change.

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Expenses, cash & reports

How do I set the financial year?

Choose the available financial-year setting before entering live records. Review reports carefully if changing it after transactions exist.

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Expenses, cash & reports

How do I enter opening cash or bank balance?

Add the account with its verified opening balance and correct start date. Do not enter the same opening value again as a receipt.

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Parties, payments & credit

How do I set default credit days or due date?

Use Payment Due or the available credit setting to choose the normal terms. Confirm the due date on each invoice when the party has different terms.

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Data, security & subscription

What should I do if I forget the app PIN?

Use only the recovery option shown by Olo Book or contact official support after identity verification. Do not clear app data or reinstall, because local business data may be lost.

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Data, security & subscription

Why is fingerprint unlock not working?

Confirm biometrics are enrolled and working in Android, then check Olo Book security settings. Use the owner PIN when Android temporarily blocks biometrics.

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Staff & payroll

How do I create a staff login?

Open Users and Permissions, add the staff user and assign only the role and access needed for their work. Do not share the owner login.

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Staff & payroll

What is the difference between owner and staff access?

The owner controls sensitive business, security and access settings. Staff should receive limited permissions based on their duties.

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Data, security & subscription

Where can I see changes made by users?

Open Security and Data → Audit History to review available transaction and setting changes. Use date and user details when investigating an issue.

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Data, security & subscription

Where should I keep backups and how often?

Create backups regularly based on transaction volume and keep a verified copy outside the phone in a secure location. Test recovery periodically.

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Data, security & subscription

What should I do if backup restore fails?

Keep the original file unchanged, confirm it belongs to the correct Olo Book version and business, then retry through the official restore flow or contact support.

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Data, security & subscription

Will restoring a backup overwrite current data?

Treat restore as a high-impact action. Create a fresh backup of current data first and read the confirmation shown by your app version before proceeding.

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Data, security & subscription

What does Data Health check do?

Data Health reviews available integrity warnings and helps identify records that need attention. Read each result and back up before making corrections.

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Data, security & subscription

Why is a transaction missing after an update or restore?

Check the selected business, date filters and restore source first. Do not clear data or reinstall; preserve the device state and contact support with the record details.

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Expenses, cash & reports

Why does the profit report look wrong?

Review purchase cost, opening stock, returns, expenses, service cost and the selected date range. Fix incorrect source entries, then reopen the report.

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Expenses, cash & reports

How is stock valuation checked?

Open the available inventory or profitability report and select the correct date. Accurate purchase costs and stock movements are required for meaningful valuation.

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Expenses, cash & reports

How do I see customer-wise sales or balance?

Open the party ledger or supported customer report, select the customer and date range, then review sales, receipts and closing balance.

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Expenses, cash & reports

How do I view and filter expenses?

Open Reports or Expense, bank and cash, select the period and available category or account filters, then verify the total.

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Expenses, cash & reports

Why are old transactions not showing in a report?

Check the business, financial year, date range, transaction type and active filters. Clear filters only after noting the current view.

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Sales, purchases & invoices

Why is the invoice PDF not opening or where is it saved?

Generate the PDF again, allow the required file or share permission and check Android Downloads or the destination chosen by your device.

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Sales, purchases & invoices

Why is invoice sharing on WhatsApp not working?

Confirm WhatsApp is installed, generate a fresh PDF and use the Android share sheet. If needed, save the file first and attach it from WhatsApp.

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Data, security & subscription

What should I do if Olo Book is running slowly?

Close unused apps, ensure the phone has free storage, restart the app and use reasonable report date ranges. Keep a verified backup before troubleshooting further.

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Data, security & subscription

What should I do when phone storage is full?

Free space by moving unrelated photos or downloads, then create and verify an Olo Book backup. Never clear Olo Book app data to free space.

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Data, security & subscription

How do I install an Olo Book update safely?

Create a verified backup, use the official update source and install it over the existing app. Do not uninstall the current app or clear its data.

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Data, security & subscription

Can wrong phone date or time affect login and invoices?

Yes. Set Android date, time and time zone correctly, preferably automatic, then reopen Olo Book and verify the transaction date before saving.

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Parties, payments & credit

How do I send a transaction message from my SIM?

Enable the available SMS option, choose the SIM slot and tap Send when prompted. Android and Play policies may require user confirmation; never assume silent automatic sending.

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Parties, payments & credit

Why can I not send a transaction message to a customer?

Confirm the party has a valid mobile number, required permission is allowed and the selected SIM can send SMS. Correct the party record before retrying.

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Getting started

Where can I find Olo Book help videos?

Open Help and Support and choose the relevant FAQ. Video guides will appear on supported answers as they are published.

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Data, security & subscription

What details should I send to support for a problem?

Send the app version, phone model, affected screen, approximate time, safe screenshot and exact steps. Never send passwords, OTPs or an unprotected full backup.

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