You can then review the other categories in the Sidebar to determine what you would like to delete or optimise. Initially it shows you the Large Files but has a tab to browse Downloads and all your other documents. Reduce ClutterĬlicking the Review Files button under Reduce Clutter takes you to the Documents tab with a couple of options to help you clean up files. If you forgot to empty the Bin regularly you can have your Mac automatically remove items in the Bin older than 30 days by turning on this option. You can also choose to only download some email attachments by selecting either to Download only recent attachments or Don’t automatically download attachments. Opimise Storageīy clicking the Optimise button you will have the option to turn on the option to Automatically remove watched iTunes movies and TV shows. Opening photos will trigger the full resolution image to be downloaded. iCloud Photo Libraryįull resolution images are stored in iCloud Photo Library and optimised versions are stored locally on the Mac. Store all documents on your Desktop & Documents folders in iCloud. Files are available as needed on your Mac and will also be available on any iOS devices signed into the same iCloud account. Store in iCloudīy clicking on the Store in iCloud option you will have the following options: Desktop & Documents folders in iCloud Using Apple’s tool to Manage StorageĪpple’s built in tool provides some basic tools to start cleaning up your Mac. If you the coloured sections on the chart it will show you how much each type is using.Ĭlicking on the Manage button brings up a tool to help you optimise the storage in your Mac. In the above image the Mac has a total of 250GB of storage with 141.86GB being used. To see how much space you have available select About This Mac from the Apple () menu, then click the Storage tab.

How much hard disk space does my Mac have?

While the message can be ignored for a little while it will begin to cause issues if you don’t resolve it soon.Įventually you will be greeted by the more terrifying “Your startup disk is full.” message and will not be able to save new documents amongst other issues. When your Mac begins to run low on disk space it will start warning you to free up space by displaying the above warning. The “Your startup disk is almost full.” message We recommend keeping at least 10% free space. When you start to run low on free hard disk space on your Mac it can start to cause issues.

How to free up startup disk on mac