Learn how to add a Password to zip files. Using free 7-Zip, you can encrypt & easily add a Password to zipped, archived & compressed files.

With the file open in Pages, Numbers, or Keynote, select File and then Set Password to choose and apply your password.

How to Put an Encryption on WinRAR. File compression programs, such as WinRAR, enable you to reduce the size of files, which make it easier to email or store these archives.

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.

The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...

Encrypt and password-protect your database in Microsoft Access. Learn how to set a Password on an Access Database.

A password-protected computer denies nosy employees access to your files.

We all have files that we'd rather not share with hackers and thieves (and maybe even our spouses). Here's how to put them in a place where no one else can open them.

You can add or remove a password from your Excel spreadsheets through the File tab. You'll do it slightly differently on a Mac and PC.