An invoice is a time-stamped commercial document that lists and records transactions between buyers and sellers.
If you want to see an invoice that you think is odd or different from normal transactions, you can track what data changed in the history to find out who changed it or what changed.
I. View Update History for Specific Invoice Number
Step 1. Go to Order, then Select Any Invoice
Step 2. Click More Menu, then Select Invoice Update
Step 3. Try to Edit the Customer Invoice
Change the total payment of the invoice, date, and invoice number on the invoice before.
Step 4. Recheck the Update History
Check the Update History for the invoice, it will be shown like this when you open the history.
II. View the Update History for All Invoice
Step 1. Go to Orders, Click More Menu, then Select Invoice Update History