How to Recover Deleted Data from a USB Flash Drive on Mac

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Without a doubt, USB drives are incredibly convenient devices for data storage or transferring files between computers. But just like any other storage device, they’re not flawless. There’s always a tiny chance that something may go wrong, and you’ll lose a valuable file.

So what should you do if a file that you’ve uploaded to the USB drive mysteriously disappeared? How to recover data from a flash drive on Mac? Read on to find the answers.

Why Files Disappear From USB Drives

Knowing why files can disappear from flash drives may help you recover your lost files. So before we get to the main part, let’s go through the main reasons why data can get lost on a USB drive:

Reason Description
🔨 The flash drive is damaged If the USB fails to mount, your Mac doesn’t recognize it, or it produces weird sounds, there is a chance that the drive is damaged, and therefore, anything can happen to it, including the disappearance of files.
💿 The USB got formatted by mistake This action will erase all of the data from your drive. But if you stop using the drive right away, there will still be a chance for specialized software to recover data from a flash drive on Mac.
🖨️ You ejected the drive while the files were still being copied to it If you interrupted the process of copying files from your Mac to the USB drive, then, of course, you won’t be able to find them there.
⌨️ The USB device is corrupted There are a few actions that can lead to this, especially if you use the USB drive between computers with different operating systems (Windows and macOS, for instance).
🤷‍♂️ You accidentally deleted the files Just one wrong click of the mouse, and you can delete an important file. Fortunately, if you realize what you’ve don’t right away, you’ll be able to restore that file from Trash. Otherwise, the only way to do it is to use a data recovery application.

Is it Possible to Recover Lost Files from USB Drive on Mac?

In most cases, yes. Thanks to modern data recovery solutions, you’ll be able to recover most, if not all, deleted files from your USB drive in a few simple settings. This applies to data loss scenarios like minor corruption, an interrupted move operation, or an accidentally formatted pen drive.

But, it’s imperative to act quickly and avoid writing new files to the drive before recovering your data.

If the USB drive is physically damaged or severely corrupted, DIY data recovery is usually not possible. In these cases, stop using the drive immediately, and contact a professional data recovery service to get back your data.

How to Recover Files From USB on Mac

The first thing that you should do is stop using the USB drive. Just keep it disconnected from your computer until you are ready to start the flash drive data recovery on Mac.

It’s impossible to stress enough the importance of doing this since it’ll prevent the possibility of data overwriting and, therefore, will help with recovering your files.

Method 1:Use Data Recovery Software

Now let’s start the USB data recovery on Mac. The most reliable and effective method of restoring USB on Mac is by using a data recovery tool.

Disk Drill is a great example of such an application since it’s simple to navigate and is pretty versatile. Moreover, it supports all types of USB devices and can recover almost any file (images, videos, documents, archives, and more).

Here’s how to recover a USB drive on Mac using Disk Drill:

  1. Download and install Disk Drill if you haven’t already. Click the file and follow the onscreen instructions to finish the installation.
  2. Connect your USB drive to your Mac and launch Disk Drill. From the list of storage devices, choose the connected flash drive.
  3. Click the Search for lost data button located on the bottom-right of the screen to start scanning your device.disk drill Mac devices list
  4. Click Review found items to preview the files while the application is scanning your drive or wait for it to finish the to review files on disk drill Mac
  5. Once you’ve found the needed files, click the box near that file to choose it. If you want to recover all of the files, click the box at the top of the files list. When ready, click Recover.recover button disk drill Mac
  6. A pop-up window will appear asking you to choose a folder where you want to keep the recovered file. Click the needed location and click Next.saving recovered files disk drill Mac

Note: The free Disk Drill for Mac version doesn’t allow you to recover the files from a USB drive but only to preview them. So if the scan has revealed the needed file and you want to proceed with the recovery, you should get the pro version.

Method 2:Recover Recently Deleted Files from Trash

When you delete a file from your USB drive, it doesn’t disappear for good right away — it gets moved into the Trash folder first. So if not much time has passed since you’ve manually deleted a file from your flash drive, the chances are it can still be found in Trash on your Mac and easily recovered.

Important: If you’ve already emptied Trash after deleting the file from your flash drive, then this method won’t work in your situation. The only solution will be to use a Mac USB recovery tool to restore the file.

Here’s how to recover files from a USB on Mac via Trash (if you’ve just recently deleted them):

  1. Launch Trash on your Mac. It is usually located on the right side of the to locate trash on dock Mac
  2. Look through the files located there.
  3. Once you find the lost file from your flash drive, drag and drop it into a different folder or back into the USB drive.moving file from trash to USB drive on Mac

Method 3:Unhide Files on the USB Drive

In order to avert unintended changes and deletions, macOS can hide certain folders on the USB drive. Typically, these folders contain app settings, deleted files, and other data. It’s possible that the files you’re looking to recover have simply been hidden by macOS.

Here’s how to unhide these files:

  1. Connect the USB drive to your Mac.
  2. Navigate to the USB drive in Finder.
  3. Press Command + Shift + . (dot) to unhide hidden files. You can use the same shortcut to hide the files again.
  4. You can look in the .Trashes folder to view any files that were deleted from the USB drive.The Trashes folder in a USB Drive.

How to Fix a Corrupted USB Drive

If data disappeared from your flash drive without your interference, it’s possible that the USB drive is corrupted. In such a case, before you start using it again, it is best to fix the issue.

There are two ways to fix a corrupted USB drive on your Mac: via Disk Utility or by formatting it.

Solution 1:Run First Aid

Disk Utility has a feature called First Aid that can fix errors of any storage device on Mac. So if your USB drive isn’t working properly, you should try to fix it with First Aid. If this doesn’t help, then the last option that you have left is to format the device.

Here’s how to fix a corrupted flash drive on your Mac via Disk Utility:

  1. Head to Launchpad and click Disk Utility to open it.
  2. Look through the list of devices on the sidebar. Click your USB drive to select it.
  3. Click First Aid at the top.first aid button Mac
  4. Click Run to confirm.
  5. Wait for the First Aid process to finish. Click Done.first aid process finished Mac USB Drive

Solution 2:Format the USB Drive

You should also use Disk Utility to format your flash drive on Mac. Make sure that there are no files located on the device before formatting it since after the process is finished, all of the data will get erased from the USB drive.

Here’s how to format a USB flash drive on your Mac via Disk Utility:

  1. Head to Launchpad and click Disk Utility to open it.
  2. Click your USB drive from the list of devices on the left side of your screen.
    Click the Erase button at the to format USB Drive on Mac via disk utility
  3. Type in a name for your flash drive in the Name field. If you plan to continue using the drive with your Mac, choose the Mac OS Extended (Journaled) format or any other suitable format.erase USB Drive via disk utility Mac
  4. Click Erase.
  5. Once the USB Drive is formatted, click Done and eject your device.

Now you’ll get a fresh start with your flash drive. You can start uploading files to it and using the USB drive as desired.


To recover data from a USB drive on macOS, use a data recovery program:
  1. Download Disk Drill and install it.
  2. Open Disk Drill, select the USB drive, and click Search for lost data.
  3. Click on Review found items.
  4. Select the files you wish to restore, and click on Recover.
  5. Pick a recovery destination for the files and click Next.
To recover deleted files from a flash drive, without using software, follow these steps:
  1. Open Trash from the Dock.
  2. Look for the deleted files, right-click on them, and choose Put Back.
  3. Alternatively, you can open the USB drive in Finder, unhide the .Trashes folder and see if the files are there.
You can find any files that went missing from the flash drive in the macOS Trash folder, or the .Trashes folder within the USB drive itself. If the files aren’t there, it’s best to use a data recovery program to get them back.
This is likely because of a file system error, or some other type of logical corruption. You can attempt to fix this by using the First Aid feature in the Mac Disk Utility.
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Romana Levko is a professional content writer with a strong interest in tech-related topics. Her main focus is on data recovery, Apple products, and cybersecurity. She spends her free time tinkering with her Mac and burning through her favorite music albums.
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12 years experience in software development, database administration and hardware repair.