This article will explain why you can't deactivate Facebook Messenger and will show you the steps to make sure no one knows ...

An archived message in Messenger is hidden from your ... Here's how it works in the Android app (directions are similar on iPhone): Open Messenger and tap Menu at the bottom.

Facebook is adding "vanish mode" to Messenger. The feature makes messages disappear after they're seen and the chat is closed. The idea, according to Facebook, is to "be in the moment, and share ...