Step 1: Login to Facebook and open the Messenger app. Step 2: Tap on the Menu icon (☰) at the top-left corner of the screen. Step 3: Scroll down and tap on “Chats”. Step 4: Tap on the chat that you want to unhide. Step 5: Tap on the Menu icon (☰) at the top-right corner of the screen.
Step 6: Tap on “Unhide”.Video – How To Unhide A Facebook Messenger Chat
After following these simple steps, you will have successfully unhidden your Facebook Messenger chat!