Recover lost data from USB flash drive on Mac first

The files in your USB pen drive are intentionally or mistakenly hidden.

There might be a connection problem in either your USB Drive or the port of your Mac.

The Data stored in USB Drive might have got corrupted due to Malware, bugs, or viruses.

The reasons behind the USB drive showing empty but space used are as follows: However, sometimes your USB flash drive or other external drives files are not showing up on Mac, and the storage space is partially or fully used. In general, when you connect a USB flash drive to the Mac, the drive will automatically mount and you can view files on it. Why does the USB show empty but space used on Mac FAQs about the USB flash drive not showing files

Tips to prevent files disappearing from flash drive How to fix USB files not showing up on Mac

So, where do those files go? Is there a solution to get those files back? Luckily, this post will show you solutions regarding USB drives not showing files and folders on Mac. When this issue occurs, you can't see any files on USB drives on Mac but only to find the storage space was occupied. The 'get info' tab shows that there are about 5 GB of files stored on the flash drive. I have an 8 GB USB flash drive that when I plug it into my MacBook, the flash drive shows up but files disappeared from the drive. In some tech forums, especially in Apple support communities, many users had reported issues where the USB flash drive shows empty but space used when they connect the pen drive to Mac.

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