Microsoft Word for Windows

  1. In Microsoft Word, click File on the menu bar at the top, then click Info > Protect Document > Encrypt with Password.
  2. Type a password, then type it again to confirm it.
  3. Important: Save the file to make sure the password takes effect.

Microsoft Word for macOS

  1. Select the Review tab at the top, and then click the Protect Document icon on the toolbar.
  2. Under Security, enter a password to open the document and then enter it again to confirm.

  3. Click OK.

  4. Important: Save the file to make sure the password takes effect.