: Prevents users from editing specific cells or moving sheets. This is the "weakest" form and can often be bypassed by manual file manipulation. File Open Protection
You only pay if they actually unlock the file.
Some “recovery” tools corrupt the file structure. LostMypass recovers the actual password or removes the hash cleanly—your formulas, macros, and formatting remain untouched.
Password protection in Excel is robust. Features like "Encrypt with Password" on the File > Info menu prevent unauthorized users from even opening a document. While this ensures data security, it often leads to critical data loss when legitimate users lose their credentials. Traditional manual methods, such as searching for written notes, are often ineffective, prompting the need for specialized recovery tools.