Before case: Users should understand that when they delete a message or conversation, it is permanently removed as well as can not be recuperated.
Note: These actions just remove a message or discussion from your account, not the one to which the message was sent out.
How to Delete Facebook Inbox Messages
Erasing a solitary message
1. Log into your Facebook account.
2. Select messages on the left-hand side of the Facebook homepage.
3. Open up the conversation including the messages you wish to delete.
4. Select the Actions Menu Equipment, and after that choose Delete Messages ...
5. Select the proper check boxes beside the message( s) you would love to remove.
6. Select Erase.
Erasing a whole conversation
1. Log into your Facebook account.
2. Select messages on the left-hand side of the Facebook homepage.
3. Open the conversation you want to erase.
4. Select the Actions Menu Gear, then choose Remove Discussion.