Did you know you can back up all of your Facebook data? Anyone deleting an account should consider this step, but it’s also great if you just want a back up should first, go to your Facebook page and click the drop-down arrow in the upper right. Choose Settings.
Under General Account Settings, choose Download a copy of your Facebook data.
You can then download copies of posts, videos and chat conversations to your PC. If you want to close your FB account, you retain that data and also should your account ever be compromised, you have it all.