If your Mac feels excessively slow at random, or unreasonably slow for seemingly no apparent reason, you may want to check to see if the Messages app is open, as the Messages app for Mac has been known to use heavy amounts of processor and system resources. Next, you can investigate Activity Monitor for CPU utilization regarding the Messages app to confirm if this is the case.

Many Mac users have been reporting that Messages app on the Mac often uses inordinately high amounts of CPU, sometimes even maxing out the processor or otherwise consuming huge amounts of…