How to Delete iMessages on Mac
Step 1. Open Message on your Mac computer to delete iMessages on Mac
Step 2. A menu bar will appear on your screen, select Preference of Message
Step 3. Open the General tab for the next step to remove iMessages on mac
Step 4. Uncheck the option of Save history when conversations are closed
In case you’d like to delete individual messages, follow these steps:
Step 1. Open iMessages on your Mac, choose the message that you wish to delete, right-click on the message and select Delete Conversation.
Step 2. And then, confirm by clicking on Delete. Your message will be deleted.