How to Lock a Word Document

By Kefa Olang

With Microsoft Word--one of the most popular word processing programs--you can create, edit and save documents. To protect your privacy and important documents, Microsoft Word enables you to lock your document using simple password protection. It is a feature that comes in handy if you have personal information such as bank information, a password list, or proposal. Lock your document and prevent unauthorized users from making changes to it.

Step 1

Open the Microsoft Word document that you want to lock.

Step 2

Click the "Tools" menu on the top and click "Options" to launch the document options window.

Step 3

Click the "Security" tab. Type the password you want to use to lock the document in the "Password to open" window. Type a file-sharing password if you have configured your computer for file sharing. Specify whether you want to make the document a read-only file. Click "Advanced" if you want to add file encrypting. Select the encrypting option you want and click "OK."

Click "OK" to save the changes and lock the document. Next time you open the document, Microsoft Word prompts you to enter the password you created.