Forum Discussion
Excel file got "corrupted" / "tampered" on macbook
I got an important password-protected excel file that Excel suddenly refuses to open, citing the file being "corrupted" or "tampered". I'm encountering this message first: "Alert This file may...
1) My Excel is 16.65
2) No special characters in the file name
3) I'M the creator of the Excel file. It's been working for 6 YEARS and it suddenly says it got corrupted.
Since I posted this, I had to recreate months of entries from scratch and managed to recreate the file again.
You should be able to restore the previous working version depending upon where you saved the file. If it's in Mac OS then you can restore using Time Machine: If it's in SharePoint or OneDrive you can use Versions. If it was saved on a different file service, most file servers these days offer some sort of recovery system.