Do you want to use a different Apple ID specifically for iMessage from your Mac? This is actually pretty easy to do in macOS, though using multiple Apple ID’s is really not recommended.

Most users sign in with their Apple accounts when they set up their Macs which is then used across all of Apple’s services like iCloud, Apple Music, iMessage, FaceTime, etc. Of course, you can log out of your Apple ID and use a different account on your Mac, but this affects the rest of the services too. However, the method we’re about to discuss will let you use a…