How to recover deleted sale receipts transactions

Hey there, younhtetnaing-co. 

Any activity you made in QuickBooks Online, including deleted transactions, is recorded in the Audit log and can be recovered by re-entering the transaction's details. 

Here's how to find and resume removed sales receipts:

1. Go to the Settings icon and select Audit Log.
   
   
2. Choose the appropriate user, date, and event(s).
3. Locate the deleted transaction.
4. The Event column contains all of the information required for the transaction.
5. Under the History column, click View.
   
   
6. Using the data, you can recreate it with its original transaction date.
   
   

Please check this article for additional reference: Use the audit log to re-enter deleted transactions.

If you need to make modifications or personalise your sales receipts, follow the instructions in this article: Customise sales forms in QuickBooks Online.

Feel free to let me know in the comments if you have other concerns about managing transactions in QBO. I'm always around to help. Take care, and wishing you continued success.