Word 2010 offers two security features that you should be familiar with: protected view and restrict editing. Protected view is a new in-your-face feature that youíre probably already familiar with it, even if you donít want to be! Restrict editing is a useful tool that restricts what users can change. Itís part of Wordís Protect Document feature, but you can access it via the Ribbon instead of going to the Backstage. Protected view
This feature is actually an Office 2010 feature that protects systems from infected files. If you download a from the Internet or Word deems the file as potentially harmful, Word will open the file in protected view.
These files are read-only, which allows users the flexibility of viewing the information without fear of infecting their systems. To edit the file, you simply click the Enable Editing button.