Prior to case: Customers must understand that when they remove a message or conversation, it is permanently erased as well as could not be recouped.
Keep in mind: These steps just remove a message or discussion from your account, not the one to which the message was sent.
How to Delete Message On Facebook
Erasing a solitary message
1. Log right into your Facebook account.
2. Select messages on the left-hand side of the Facebook homepage.
3. Open the conversation including the messages you wish to remove.
4. Select the Actions Menu Gear, then pick Delete Messages ...
5. Select the proper check boxes next to the message( s) you 'd like to remove.
6. Select Delete.
Erasing a whole conversation
1. Log into your Facebook account.
2. Select messages on the left-hand side of the Facebook homepage.
3. Open up the discussion you wish to delete.
4. Select the Actions Menu Gear, and afterwards select Erase Conversation.