- Scroll down and select Secret conversations.
- Slide the button to the right.
- Scroll down to Secret conversations, tap on it, and turn the feature on.
How can I see someones secret messages on Messenger?
- Open the Facebook Messenger app.
- Tap "Settings" in the bottom right-hand corner.
- Select the "People" option.
- And then "Message Requests."
- Tap the "See filtered requests" option, which sits under any existing requests you have.