Have you ever wondered how to turn off iMessage on a Mac? The first time I received an iMessage on my computer, I immediately began looking for a way to disable the feature. My iPhone tends to be right next to me anyway, so broadcasting my text messages on a Mac is definitely something I wanted to deactivate. Luckily, you can stop iMessages from popping up by simply turning off messages on your Mac. It’s actually incredibly easy to do. We've already shown you how to enable iMessages on an iPhone, iPad, and Mac, how to turn off read receipts, and how to fix an iMessage waiting for activation error; here’s how to deactivate and get rid of messages on your Mac.