SecureDocument (via Document-Level Protection)
- Click on File, Protect Document, Restrict Access. Click on Restrict Access.
![protect-msdoc01-600x536](https://nusit.nus.edu.sg/wp-content/uploads/2020/02/protect-msdoc01-600x536-1.png)
- Check Restrict permission to this document and enter the relevant users under Read and Change.
![protect-msdoc02](https://nusit.nus.edu.sg/wp-content/uploads/2020/02/protect-msdoc02.png)
- To allow Everyone to read or to change, select the
icon accordingly.
- To set expiration on the document, click More Options. Under Additional permissions for users, select the This document expires on check box, and then select a date. Click OK twice.
![protectMSDoc01](https://nusit.nus.edu.sg/wp-content/uploads/2020/02/protectMSDoc01.gif)
- After completing the permission setting, proceed to distribute the document.