Afterward, you’ll see a breakdown of what data types fill the most of your storage on the left and four clean-up options on the right. Step #2 – Click “Storage” and then select “Manage”.Ī quick scan will be run on your hard drive to analyze your current storage. Step #1 – Press the Apple icon at the top-left of your screen and click “About This Mac”. By using one of the numerous storage management features, you can clean up the hard drive quickly. When you’re using a mac that is running MacOS Sierra, sorting your storage is simple. How to Prevent Mac Startup Disk Full on Sierra Drag the app’s folder into the Trash, and after doing this for all the unnecessary apps, you can empty your Trash. So, go to the “Applications” folder on your Mac and locate any apps that you no longer use. Within just a few weeks you might find that some apps are storing over 1GB of app data. But, when you are using an app it continues to store data and as such, more usage results in more data. In all fairness, some Mac apps are very large and will cause storage problems. In regard to startup disk full, the problem is app data. Even though when you install an app, it will show you the app’s file size, that’s not where the problem lies. But the longer that you use an app on your Mac, the more storage it starts filling. Macs are great simply because users can access the Apple App Store without using their iPhone. If you don’t, then those files will continue to limit how much storage is available on your Mac.

Make sure that after you delete large files, such as movies or TV shows, you also empty the Trash.

How to clean up mac startup drive