Messages remain in the app until they expire or you decide to delete them. Messages do not expire unless the message creator sets an expiration date.
- From the menu, tap Messages.
To delete a message, choose an operating system and follow the
Operating system Steps iOS
- In the panel on the left side, swipe the message preview left to reveal the Delete button.
- Tap Delete.
- In the panel on the left side, touch and hold the message preview.
- Tap .
- Tap Yes.