A built-in option with Windows 11 is to password-protect your hard drive. This is a great way to keep yourself protected, writes George Cox.

If you have sensitive data you'd like to keep from prying eyes in a Microsoft Excel file, the easiest way to protect it is with Excel's built-in password tools.

Unfortunately, by default they can be accessed by any computer they are plugged into, so if your external hard drive stores important data you should be encrypted and password protect the drive.

Sending important documents? Learn how to password protect PDFs for extra security using easy steps with Adobe Acrobat and free online tools.

USB drives, external HDDs, and memory cards—remains the go-to for transferring and backing up data. But these devices are also among the easies ...

You can password protect a PDF on a Mac computer using the Preview app to secure files that contain sensitive information.

How to Enable a Password In Outlook. Microsoft Outlook allows you to password-protect the PST files that contain your email messages, contacts, calendar events and other personal data.