If you would like to back up your chats, please do the following.
1. Tap Chats on the main menu bar
2. Tap the chat you wish to save
3. Tap V at the top right
4. Tap the menu
5. Tap Export Chat History
6. Tap Send by Email
Images sent will not be backed up.
If you do not receive the message even after you have finished sending it, please check your spam folder. If it is still not delivered, please enter another email address where possible.