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.

Not even Microsoft Technical Support could unlock your notes. Passwords are case-sensitive. Make sure that the CAPS LOCK key is turned off when you enter a password for the first time. It is …

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.

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 …

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

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. …

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.

Password-protect project files to make them read-only or prevent others from opening them at all. You can set a password when you save the file.

You can add a password so that only authorized users can modify a presentation. Unauthorized users can still open the presentation and then save it by using a different file name.