You can easily unblock someone on Facebook Messenger in the "People" preferences section of the app. Here's how to do it.

You can make calls on a Facebook Portal device to your linked Facebook, Messenger, and WhatsApp contact lists.

The Facebook Messenger update means only the sender and recipient can read or listen to messages and calls. Users can choose to back up messages with a six-digit PIN, or store a virtual key in their ...

Facebook Inc said on Wednesday it would start replacing the direct messaging service within Instagram with a version of its Messenger app, the first major step in its plan to tie together messaging ...