Deactivating a Facebook account keeps your account and data still stored on the Facebook servers, should you wish to come back to it. All you have to do is login. In this article, you will learn how to permanently delete your Facebook account and all of its data. Since you can't undo this action, we will also show how to backup and download your Facebook data (photos, videos, timeline posts etc) before proceeding with the deletion. If you have changed your mind and need to cancel the process of the permanent removal of your account, you simply need to login to said account within 14 days after the request of deletion.