Open the document and enter its password. Go to File > Info > Protect Document > Encrypt with Password. Clear the password in the Password box, and then click OK. Easily remove a password you set on your document.

Windows 10. File encryption helps protect your data by encrypting it. Only someone with the right encryption key (such as a password) can decrypt it. File encryption is not available in Windows 10 Home. Right-click (or press and hold) a file or folder and select Properties.

Close the app or background process. Use your mobile device to unlock or edit a file that another user has locked for editing.

Go to File > Info > Protect Document > Encrypt with Password. Type a password, press OK , type it again and press OK to confirm it. Save the file to make sure the password takes effect.

Go to File > Info > Protect Document > Encrypt with Password. Clear the password in the Password box, and then click OK. Easily remove a password you set on your document.

Open the workbook that you want to change or remove the password for. On the Review tab, click Protect Sheet or Protect Workbook. Click Unprotect Sheet or Protect Workbook and enter the password. Clicking Unprotect Sheet automatically removes the password from the sheet.

Messages that have the encrypt-only policy applied can be read directly in Outlook on the web, in Outlook for iOS and Android, Outlook for Windows versions 2019 and newer, and Microsoft 365. If you're using another mail service, you'll see a message with a link.

Microsoft Edge offers built-in support for viewing PDF files that are classified and protected. Microsoft Edge can enable you to open protected PDF files without the need to install or configure any additional apps.

Find out how you can unlock an Excel spreadsheet when you are locked out of an Excel file by yourself or by another user.

A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This key, which is a 48-digit number, is used to regain access to the drive.