My invoice numbers have gone really long with lots of numbers example1824/1973a/2030a/234how do I get it back to normal invoice numbersthanks

I'm here to give you the steps to change your invoice numbers, @info360,

First, let's enable the Custom transaction numbers preference in your company file. This feature gives you the ability to set your preferred numbering sequence for your sales forms. Perform the steps below:

1. Click on the Gear icon.
2. Select Account and Settings under Your Company.
3. On the Sales menu, click to expand the Sales form content section.
4. Mark the Custom transaction numbers box.
5. Hit Save then Done.
   

Once enabled, you can now enter any number or letter format you want in the Invoice no field. Please see the illustration below:


 

Here's an article if you want to know more about this preference: How to change the invoice number on sales forms?

If you have any questions or need further assistance, please let me know by tapping the Reply button below. I'll be more than glad to help you out. Have a good one!