Hello there, donna94. Thanks for getting back to us.
Turning on the Custom transaction numbers feature helps to change the number of previous invoices. Once done, we'll see an Invoice no. field where you can enter your own numbering preferences. We can also open the past invoices and modify the number.
Let's take a look at this sample screenshot:
If you're unable to see the Invoice field, we can go back to the settings and double-check the Custom transaction numbers feature. Make sure it's turned on.
On the other hand, we can use an incognito window. This type of window doesn’t store any cache that causes a browser to load slowly or experiencing unusual behavior.
- Google Chrome: Ctrl + Shift + N
- Mozilla Firefox: Ctrl + Shift + P
- Microsoft Edge: Ctrl + Shift + P
- Safari: Command + Shift + N
If you can edit the invoice number, go back to their regular browser and clear its cache to prevent any unexpected behavior. They can also use other compatible browsers in QBO.
I'd also like to share about customizing sales forms. It guides you on how to personalize the invoice, estimates, and sales receipts.
Let me know if you have other questions. Take care always.
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