If you've found an invoice with no transaction number assigned, this is likely a rare occurrence. If you want to manually assign a transaction number to the invoice follow the steps below.

Please Note: It is important that you do not create a duplicate transaction number during this process. See below for more information.

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Manually Add Transaction Number

1. Go to your QuickBooks Online account and take note of the most recent invoice transaction number.

2. Enable custom transaction numbers:

  • Click on the gear icon (top right) and select "Account and Settings"
  • Go to the "Sales" tab.
  • In the "Sales Form Content" section, change the "Custom Transaction Numbers" setting to ON.

3. Find, open, and adjust the invoice(s) that are missing a transaction number.

4. Create a new invoice and add a transaction number that is one number higher than the most recent number (noted in step #1).

5. Turn custom transaction numbers back off - see step #2 above, but change the setting to OFF.

6. Create a new invoice and make sure that the number starts in the correct place.

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More Information

Generally we do not recommend custom transaction numbers. To learn more about why, please see the Custom Transaction Numbers in QuickBooks article.

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