QB Issue Resolution:
Yes, we can change Invoice numbers in QuickBooks Online, but first we’ll have to have a setting that displays the number. Let’s click on the
1. Gear, Company Settings
2. Under Sales Form Entry click on Custom Transaction Numbers (see pic 2) . Then when you click on an Invoice, you can select the correct Invoice number, and it will start with this number in the future.
3. If you don’t see the section called Sales Form Entry, then click on Sales, and the pencil, then click on Custom Transaction Numbers.
Resolution for Issue 'How do I change the invoice number?' available: Yes (Solved).
Source: Intuit Community forum.
How do I change the invoice number?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.
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Error Recovery for Invoice [Canada]
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