How Do I Stop Someone Accessing Inbox Information on Facebook
1. Log in your Facebook.com account
2. Click on Star icon of right corner on your wall
3. Click on Account Setting
4. Click on Edit in front of Password
5. Type the current password you want to change
6. Type the New Password you want to use
7. Click on Save Changes
You can follow above steps to make every changes you wish. Please don't ask anyone to make the changes for you do it yourself.
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