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USB thumb drive still full after deleting files on Mac

My USB thumb drive keeps saying it's full, even after I deleted files from it. This issue happens to all the thumb drives I use. How can I update the amount of free space on it? Is there a refresh button or something similar?

Best Answered by

iBoysoft author Jenny Zeng

Jenny Zeng

Answered on Monday, February 19, 2024

If you delete files from an external USB drive on a Mac but don't see the space freed up, it's because the Trash hasn't been emptied or your drive is bloated with hidden files.

An easy way to verify the issue is to scan your USB drive with iBoysoft DiskGeeker. Its "Space Analyze" feature will display all files on your drive in descending order by size, allowing you to easily spot the files that are cluttering your drive, no matter if they are regular files or hidden folders, such as .Trashes, or .Spotlight-V100.

Alternatively, you can also empty the Trash with the USB thumb drive plugged in or reformat the external drive on a Mac.

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