xvi32 is a free, open-source hexadecimal editor that can be used to recover or remove passwords from Excel files. If you've forgotten or lost the password to an Excel file, xvi32 can help.
It is not effective for opening encrypted workbooks (files that require a password just to open), as those files are fully encrypted and cannot be edited in a meaningful way with a hex editor alone. How to Use XVI32 to Bypass Excel VBA Passwords xvi32 excel password
XVI32 is a powerful tool for removing internal Excel protections (sheet/workbook locks) by editing the file's binary structure. However, it is a password cracker for encrypted files that require a password to open. For modern .xlsx files, this method is often more complex (requiring file unzipping and XML editing), so converting to .xls is usually the easiest route for this specific technique. xvi32 is a free, open-source hexadecimal editor that