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...
joyapco
I'm inclined to believe the warning message.
Is it safe to assume you are using version 16,65 of Excel? Go to the Menu Bar and choose Excel > About Excel to verify this.
Are there any special characters in the file name?
I recommend that you contact whomever provided the file to you and get a better copy.