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Storage full

Why a Mac says the disk is full, where the space went, and how to get it back without guessing.

A full disk is rarely one big file. Local snapshots, purgeable space, caches and the Trash all count differently depending on who is measuring. These articles explain the numbers macOS shows and what to check first.

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How DiskJoy works · · 5 min read

Why moving files to the Trash doesn’t free up space (yet)

The Trash is a folder on the same disk. Here is when the space actually comes back, why the number sometimes still doesn’t change, and how to check.

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Old installers, DMG files and update leftovers you can remove

A DMG is only the delivery box. Once the app is installed, it is usually safe to remove. Here is how to find them and what to check first.

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Photo library too big on Mac: safe ways to shrink it

Check the size, then shrink it from inside the Photos app. Do not touch the library package in Finder, and back up first.

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Messages attachments taking up space on Mac

Messages keeps every photo and video you send or receive. Check the size, then delete attachments or conversations in the app, not in the folder.

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Why is the Library folder on my Mac so big?

Library holds app data, caches and settings. It is often tens of gigabytes. Here is how to see what is inside and what to leave alone.

Guides · · 4 min read

Find large files on a Mac (Finder, Terminal and a scan)

A few large files often matter more than thousands of small ones. Here is how to find them with Finder and Terminal, and how to decide.

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Startup disk full on Mac: what to do first

Do the safe things first: empty the Trash, check Downloads and large files. Do not delete system folders. Here is the order.

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