Encrypt, Decrypt, and Digitally Sign Excel Files.
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Protect and unprotect Excel files
- How to encrypt an Excel file
- How to protect an Excel file
- How to add a digital signature to an Excel file
- How to protect Excel files
- How to set a password for an Excel file
- How to decrypt an Excel file
- How to unprotect an Excel file
- How to unlock Excel files
- How to clear the password of an Excel file