How to free up disk space on mac as storage is full?

Find and delete large and unused files. This is another simple way to let you easily free up storage on a MacBook Pro, MacBook Air or iMac.

The Large & Old Files method is a surgical approach to storage management that focuses on high-yield deletions. Rather than spending hours deleting thousands of tiny text files, this strategy targets the handful of massive files, such as forgotten 4K video projects, obsolete disk images (.dmg), or massive zip archives that are often responsible for the majority of your storage woes.

By sorting your entire drive by file size, you can quickly identify and remove a few large items to reclaim gigabytes of space instantly, which is far more effective than general tidying.

Beyond just size, this free up disk space on mac method also accounts for the age of your data. Many users accumulate "digital dust" in the form of installers or project drafts that haven't been opened in years. macOS makes it easy to filter by "Last Accessed" date, allowing you to confidently delete items that are clearly no longer part of your daily workflow. This targeted approach is particularly useful for those who work with media or software development, where single files can often exceed 5GB or 10GB in size.