Protect
Encrypt an Excel file with a password so that information requires a keyword to open it. To password protect an Excel file, execute the following steps.
1. Free to Excel file.
2. On to File tab, mouse Keep When.
3. Click Browse.
4. Click on the Tools button or click General Options.
5. In the Password to open text, enter a password and clickable OK.
6. Reenter the password and click OK.
Note: this features and decrypted thine Excel file. If you lose or forget the password, e impossible be recovered.
7. Enters a document name and click Save.
It requires an password to open this Excel file now. The user for the downloadable Excel record is "easy".