Excel offers several layers of protection, and the method for removing each differs dramatically:
Most open‑source tools on GitHub target the first three types. The fourth type — file‑open encryption — is a much harder problem, and GitHub tools generally warn users that they cannot unlock such files without knowing (or cracking) the password.
If you want a — worksheet protection, workbook protection, VBA, and even Word and PowerPoint files — look at petemc89/craXcel . It supports all major protection types and formats, though it cannot remove file‑open encryption. Excel Password Remover Github
For many, the answer lives on GitHub.
By using these tools responsibly and backing up your data, you can free your locked spreadsheets and continue your work without delay. Excel offers several layers of protection, and the
For users who prefer not to touch a command line, several GitHub projects offer graphical interfaces. The by Demoen provides a simple GUI where you select the protected file, click a button, and save an unprotected copy. The crack‑xlsx‑pw tool from Pchyan goes further, offering both a GUI and a command‑line interface, plus the ability to generate password dictionaries for brute‑force attacks.
Open excel_hash.txt and clean it up so it only contains the hash string starting with $office$ . Step 2: Run Hashcat It supports all major protection types and formats,
Download the official john repository from GitHub to access office2john.py . Run the following command in your terminal: python office2john.py protected_file.xlsx > excel_hash.txt Use code with caution.
Cracking "Password to Open" encryption on modern Excel files.
While not exclusively for Excel, Hashcat is the world's fastest open-source password recovery utility.
Follow the specific instructions for your chosen tool. For command-line Python tools, you'll typically navigate to the folder in terminal and run something like python script_name.py your_file.xlsx .