How do I use finder for details?

In Finder, select a folder and press Cmd+I to see its size. Use this to find large folders.

Mac Guides

Beginner

1 min read 4 stepsJanuary 18, 2026Verified January 2026

How to Check Available Storage on Mac

See how much storage space you have left and what's taking up space on your Mac.

In this guide (4 steps):

1.Check storage overview
2.View categories
3.Manage storage
4.Use Finder for details

Check storage overview

~15s

Click Apple menuSystem SettingsGeneralStorage. A color-coded bar shows what's using space.

View categories

~15s

The bar breaks down storage by Apps, Documents, Photos, System Data, and more.

Manage storage

~15s

Click categories to see details and find files to delete. Use recommendations to free up space.

Warning

The free 5GB fills up quickly with photos. Consider upgrading to 50GB (99p/month) or using Google Photos as a free alternative.

Use Finder for details

~15s

In Finder, select a folder and press ⌘+I to see its size. Use this to find large folders.

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Official Resources

Apple Support How-To Geek — Mac Apple Support YouTube

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