To backup chat records, you need to enter QQ's message manager, find "Export all message records", click and enter, select a storage location, and click "Save". The following is a computer QQ (TIM2.3.2) operation demonstration.
Operation method
Log in to QQ, find "Settings", click and enter, as shown in the figure.
After entering, click "Security Settings", as shown in the figure.
After switching, find "Open Message Manager" in the "Message Record" position, as shown in the figure.
After entering, find "Export all message records", click and enter, as shown in the figure.
After entering, set the storage location and click "Save" to back up the chat record to the computer.