A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Welcome to Microsoft Q&A forum and thank you for your question.
First of all, sincerely apologize for the inconveniences that you are facing. I can understand that frustration that you are having now.
Have you checked out the Q&A Assist's answer yet? Please feel free to check it out to see if anything changes
You also mentioned that you have tried many steps but still not able to recover your Excel sheets. May I know what step you have taken so I can summarize and see what other steps I can provide.
I'll wait for your response. Thank you for your time