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You can control access to a document by implementing a password for it. Passwords are case-sensitive and can be a maximum of 15 characters long. Create a strong password, ideally one that you can easily remember.
To learn the difference between protecting your Excel file, workbook, or a worksheet, see Protection and security in Excel. Select File > Info. Select the Protect Workbook box and choose Encrypt with Password. Enter a password in the Password box, and then select OK.
Windows macOS Web. Add password protection to a file. Select File > Info. Select Protect Presentation > Encrypt with Password. In the Password box, enter the password you'd like to use. Select OK. PowerPoint prompts you to confirm the password by entering it once more.
You can help prevent unauthorized users from opening or modifying a workbook file, even if they have permission to open it. Caution: When you create a password for a workbook, write down the password and keep it in a secure place.
Protect your most important files in OneDrive Personal Vault with an extra layer of security. Learn how to set up, lock, or unlock Personal Vault.
To add a new password, click Protect Sheet or Protect Workbook, type and confirm the new password, and then click OK. To remove a password from the workbook, click Protect Workbook , and then click OK without entering a new password.
Explains that you cannot recover a document that is protected with a password if you lose or forget the password for the document. Microsoft does not offer a service to retrieve documents that passwords have been added to.
You can help keep your private notes safe from prying eyes by protecting a OneNote notebook section with a password. When a section is password-protected, all of its pages are locked until you enter the correct password.
On the Data Files tab, click the Outlook Data File (.pst) for which you want to change the password, and then click Settings. Click Change Password . You will not see this option if you've selected an Offline Outlook Data File (.ost) file.
Removing a password from a document is a simple process, but you have to know the original password. Open the document and enter its password. Go to File > Info > Protect Document > Encrypt with Password .