Facebook now has a tool that lets users and non-users delete uploaded contact information. That includes cellphone and landline numbers and email addresses.

How to deactivate a Facebook account from the web After logging into Facebook on your desktop or laptop, click the drop-down arrow in the upper righthand corner of your newsfeed.

If you are interested in learning how to delete conversations, photos and messages from the official Facebook Messenger app, this quick guide will take you through the entire process.

You can delete one contact, a few or all of them from your iPhone in a few steps. Here's how to use the Settings and Contacts apps to clean it up.

If you don't like the fact that Facebook tracks your every movement on the app, learn how to delete history on Facebook.