How to Delete A Message On Facebook that You Sent
Step 1: Sign in to your Facebook account.
Action 2: Click the "Messages" switch in the menu on the left to open the Messages page.
Action 3: Click the conversation that contains the sent messages you wish to erase. Facebook shows conversation strings in day order with the most recent at the bottom of the web page.
Tip 4: Click the "Actions" switch at the top of the conversation screen.
Step 5: Select "Delete Messages" from the pull-down menu.
Step 6: Click to make it possible for the check box close to each sent message that you want to erase.
Step 7: Click the "Delete Selected" button then click "Delete Messages" in the verification pop-up window. Facebook eliminates the picked messages.
Suggestion: To erase a whole conversation, including all gotten and also sent messages, click the "Delete All" choice after opening the "Delete Messages" screen.