Protect a document using password
Password is a word or other string of characters, sometimes kept secret or confidential, that must be supplied by a user in order to gain full or partial access to a multi user computer system or its data resources.
Document is a piece of written, printed, or electronic matter that provides information or evidence or that serves as an official record.
Click the Microsoft Office Button ,point to Prepare, and then click Encrypt Document.
In the Encrypt Document dialog box, in the Password box, type a password, and then click OK.You can type up to 255 characters. By default, this feature uses AES 128-bit advanced encryption. Encryption is a standard method used to help make your file more secure.
In the Confirm Password dialog box, in the Reenter password box, type the password again, and then click OK.
To save the password, save the file.
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