Is your Mac coming up with a message advising the startup disk is almost full, but you can't figure out why? In this article we'll examine how to find the space hogs on a Mac so you can clear the disk space needed. Step 1: Find out which data types are taking up the space on your Mac Go to the Apple Menu > About This Mac > Storage and see what category is consuming … [Read more...] about How to clear disk space on your Mac