SECURING YOUR DATA
You can also encrypt documents using secret keys or public keys.
1. Open the document to be restricted.
2. Click File > Document Properties.
3. Click the Security tab (fourth tab from left).
4. Deselect "All readers and above."
5. Make sure to select yourself from the list of users, groups, servers, or access roles for the document. Then select any other users, groups, servers, or roles who need access to your document (click the person icon next to the list to choose from your Contacts). If you do not select yourself, you no longer have reader access to the document.
6. Save the document.
Related topics Encrypting documents using secret keys The Access Control List