29 of 32Image
Remember: this cannot be undone once you have clicked Confirm.
3. If you are sure you want to go ahead, click the Confirm button.
Once Facebook has changed the permissions on all of your old posts, it will tell confirm that the changes have been made.
4. Click Close to dismiss this box, and return to the privacy settings.
Your block lists allow you to block certain people from seeing you -- to make them 'invisible' to you, and you 'invisible' to them. It also applies to applications, games and invitations to join things. It will be as though these things simply don't exist.
1. Click Manage Block Lists to manage your blocked people and applications.