How to Lock Text in a Word Document

1. Open the document containing the text you want to lock.
2. Click the "Review" tab.
3. Click "Protect Document" and "Restrict Formatting and Editing" (under the "Protect" group).
4. Go to the "Restrict Formatting and Editing" task pane.
5. Select "Allow only this type of editing in the document" under the "Editing restrictions" section.
6. Choose "No changes (Read only)" to lock the entire document and proceed to the next step. To lock specific areas, highlight the text you want to lock in the document instead.
7. Checkmark "Everyone" to lock the document from all users or select "More users" to lock it from specific users.
8. Go to the "Start enforcement" section and click "Yes, Start Enforcing Protection".