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.
Report generated for informational and educational purposes only. Do not use hex editing to bypass security on files you do not own. xvi32 excel password