You can easily reach this folder to delete your files by searching for Movies in Finder. Usually, your movie files are stored in the Movies folder. How to free up space without deleting files.How to effectively delete movies from your Mac’s hard drive.If you want to clean up your Mac from downloads, duplicate, or hidden files-this article is for you. To free up more gigabytes-just install MacKeeper and get rid of junk, useless apps, and duplicates effortlessly! But it’s not only movies that clog up your hard drive, and clogging may result in slow performance from your Mac. Movies take up a huge amount of disk space on devices. If that’s the case, it is probably best to free up some space on your hard drive by deleting videos and other unused files. Sometimes, these huge files may affect your Mac’s performance and it may slow down a little. Movies can pile up and take a lot of space on your hard drive, and by “a lot” I mean “A LOT”.