Step Five: You will be asked to enter a password two times (for verification). Step Four: Click on “Yes, Start Enforcing Protection” on the bottom of the right-side pane: You can also specify exactly which users can edit your Word document: Step Three: In the new pane on the right side, tick the checkboxes to limit the editing to your preference. Step Two: Select the “Restrict editing” button from the tool bar: Here is how to prevent people from editing your Microsoft word document: If you want to send a copy of your document for review but you want to protect it from unauthorized editing, Microsoft Word has a convenient tool to restrict editing.