How to encrypt a Microsoft Word document by locking it with a password

You can encrypt a Microsoft Word document by giving it a password, which anyone who tries to open the document will be required to enter.
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Sample file: How to protect the header and footer areas without protecting the rest of a Microsoft Word document

This is the demonstration file to accompany the article, How to protect only the header and footer areas in a Microsoft Word document by Susan Harkins. From the hottest programming languages to ...