You can change whether your history is saved in Google Chat.
In the reply area, click history on or off:
- History on .
- History off .
If you turn off your chat history, your messages are deleted after 24 hours.
Your G Suite administrator controls whether you can turn your chat history on or off. Your administrator also controls the default setting.
Note: Messages you forward to your Gmail inbox will remain in your email, even if chat history is turned off.