Before proceeding: Users need to realize that when they erase a message or conversation, it is completely erased and can not be recovered.
Keep in mind: These steps just get rid of a message or conversation from your account, not the one to which the message was sent.
How to Delete Messages In Facebook
Erasing a single message
1. Log right into your Facebook account.
2. Select messages on the left-hand side of the Facebook homepage.
3. Open the conversation containing the messages you would certainly such as to erase.
4. Select the Actions Food selection Gear, then select Delete Messages ...
5. Select the appropriate check boxes following to the message( s) you would certainly such as to delete.
6. Select Delete.
Erasing an entire discussion
1. Log into your Facebook account.
2. Select messages on the left-hand side of the Facebook homepage.
3. Open up the conversation you 'd such as to remove.
4. Select the Actions Menu Gear, and after that choose Erase Conversation.