Set a password in a Word document

Click the Microsoft Office Button, point to Prepare, and then click Encrypt Document.

In the Encrypt Documentdialog box, in thePassword box, type a password, and then click OK.

You can type up to 255characters. By default, this feature uses AES 128-bit advanced encryption. Encryption is a standard method used to help make your file more secure

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In the Confirm Password dialog box, in the Re enter password box, type the password again, and then click OK.