How to Password-Protect Files With Mac OS 9.0

Want to keep prying eyes off your prize files? Mac OS 9.0 allows you to encrypt and decrypt individual files for password-only access.

Difficulty: Moderately Easy

Instructions

Things You'll Need:

• Mac OS 9.0

1. Open the Applications folder and find the Security folder inside.

2. Open the Security folder.

3. Open the File menu and choose Open.

4. Locate the file you want to encrypt, or its alias.

5. Enter a password for the file. Record your password in a safe place. (It is stored in your Keychain by default.)

6. Click Encrypt.

7. To decrypt the file, double-click it and enter the password for the file.

8. Click Decrypt. Your password is removed from Keychain automatically.

Tips & Warnings

• Alternatively, you can encrypt a file by dragging its icon onto the Apple File Security icon.
• The alternative encryption method will not work for stationery pad documents.
• The following cannot be encrypted: disks, folders, locked files, open files, System Folder items or volumes (a server, for example).
• Don't forget your password! You can get it from the Keychain, but of course you need a password to access that as well.