Change or remove certificate protection

To change or remove security settings, you must have permission to do so. If you want to change or remove security encrypted with certificate, you must have all access to the document, or you can’t do changes or remove security settings.

To change certificate protection, please do the following:

1. Choose Protect > Secure Document > Security Properties, or choose File > Properties.
2. In the Security tab for the document properties, click Change Settings….
3. In Certificate Protection dialog box, refer to Add a certificate security.
4. Click OK and save the document to apply your changes.

To remove certificate protection, please do one of the following:

1. Choose Protect > Secure Document > Remove Security.
2. Choose Protect > Secure Document >Security Properties or choose File > Properties, in the Security tab for the document properties, choose No Protection from Security Method menu.