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 …

How to protect an Excel file using a password to prevent unwanted access to your data.

Workbook-level: You can lock the structure of your workbook by specifying a password. Locking the workbook structure prevents other users from adding, moving, deleting, hiding, and renaming …

Add a password to protect your entire workbook and control whether others can open or make changes to it. Protect your file by setting passwords for Open and Modify.

Personal Vault is a protected area in OneDrive where you can store your most important or sensitive files and photos without sacrificing the convenience of anywhere access.

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 …

Open the password-protected document. Select File > Info. Select Protect Document > Encrypt with Password. Note: In Excel, select Protect Workbook. In PowerPoint, select Protect Presentation. …

You can add a password to an Excel file to prevent unauthorized users from opening or modifying it.

In Windows, this can be achieved using built-in tools that allow you to encrypt files and folders, ensuring that only individuals with the correct decryption key can access the contents.

Use a password to help protect your Outlook data file (.pst) so that others who share your computer can't access your data.