While some projects like craXcel have dedicated executables, many require a manual approach. Here is how you can use the principles found on GitHub to remove sheet protection:
: The entire tag containing the hashed password is deleted.
Go to GitHub and search: excel password remover vba . Select the repository by Endothermic_Dragon or SunnyDesignor . Look for a file named password_remover.vba .
Instant removal of sheet and workbook modification restrictions without data loss. Method 2: VBA Password Strippers (For Older .XLS Files) Excel Password Remover Github
You open a new blank Excel sheet, paste the VBA code into a module, and run it. The script exploits a legacy checksum vulnerability. Within 10 seconds, the sheet password is revealed or stripped.
It deletes tags starting with or .
: For the most difficult cases, you can use "John the Ripper." You first extract the password hash from the Excel file and then use this tool to "crack" it using brute-force or dictionary attacks. Officer Breaker While some projects like craXcel have dedicated executables,
Running Hashcat against the extracted hash using a wordlist (like the famous rockyou.txt list) to find common password combinations.
These scripts run a loop that generates short, alternative password hashes. Because of a vulnerability in legacy Excel coding, these alternative hashes trick the software into unlocking the sheets, completely bypassing the original password.
Elias clicked the new file. It bloomed open instantly. No password prompt. No "Read Only" warning. Just the rows and columns of data, laid bare and vulnerable. Select the repository by Endothermic_Dragon or SunnyDesignor
: A client-side web application that bypasses password protection without ever uploading your file to a server, ensuring your data remains private.
Modern Excel files ( .xlsx or .xlsm ) are actually ZIP archives containing structured XML files. When you "protect" a sheet, Excel adds a specific tag to the sheetX.xml file. These GitHub tools work by: the .xlsx file. Locating the protection tags (e.g., ). Removing or modifying that specific XML tag. Re-zipping the file and saving it.