Excel hashes your password using a relatively weak algorithm (especially in versions before Office 2013). The hash is stored within the spreadsheet file itself. The password is not used to encrypt the data—it is only a gatekeeper for the user interface.
Many users believe that protecting a sheet with a password is like locking a safe. It is not. Excel sheet protection is more like a "Do Not Touch" sign with a simple latch. It is designed to prevent accidental changes by colleagues, not to withstand a determined attacker. desproteger hoja excel
But what happens when the password is lost? Or when a former employee locked a critical file and took the key with them? Excel hashes your password using a relatively weak
Use this knowledge wisely, and you'll never be locked out of your own spreadsheets again—while respecting the boundaries of others. Many users believe that protecting a sheet with
The ZIP method or a reputable remover tool will save you in minutes. If you are tempted to bypass someone else's protection: Remember that the lack of a strong lock does not imply an invitation to open the door.