Attach the drive to your Mac. Launch Disk Utility (from Applications Utilities Disk Utility). Select the drive in the left-hand sidebar. On the left side of the window are the drives connected to the computer. Select the capacity of the drive respective to the one containing the device you wish to format then click the Erase tab. Example: If the drive is called 'NO NAME', directly above that, you should see the drive capacity of 'XXXX'. Select this capacity.
- To format a drive on a Mac, you’ll need the built-in Disk Utility application. Press Command+Space to open the Spotlight search dialog, type “Disk Utility”, and press “Enter” to launch the app. You can also open a Finder window, select “Applications” in the sidebar, and head to Utilities Disk Utility.
- There are a good number of reasons why you might want to format an external disk or a flash drive for full Mac compatibility. Here are the following most common reasons why would you like to format an external disk or a flash drive for Mac under Mac OS Extended ( Journaled).
WARNING: Formatting will erase all data on the device. Back up all your data before proceeding.
Instructions below are for 10.11.x (El Capitan) and 10.12.x (Sierra)
1. Double-click on Macintosh HD - or in the Finder menu clickFile > New Finder Window
2. Click the Applications folder - if using a Finder Window Applicationswill be in the left side menu.
3. Click the Utilities folder.
4. Double-click Disk Utility.
5. On the left side of the window are the drives connected to the computer. Select the capacity of the drive respective to the one containing the device you wish to format then click the Erase tab.
Example: If the drive is called 'NO NAME', directly above that, you should see the drive capacity of 'XXXX'. Select this capacity.
6. Verify Volume Format is set to MS-DOS file system or exFAT, Scheme is set to “Master Boot Record” (Do NOT select GUID Partition Map) then click Erase.
Instructions below are for 10.13.x (High Sierra)
1. Open Disk Utility. Please See Answer 20985: How to access Disk Utility macOS
2. In the top menu bar, go to View, and choose Show All Devices
3. Select the upper level of the drive you would like to format and click the Erase button
Format Flash Drive Mac To Fat32
4. Choose how you would like to format the drive
- Enter a Name for your drive
- Choose exFAT or MS-DOS (FAT) for the format
- Choose Master Boot Record for the Scheme
- Click Erase
5. When finished, the drive will be formatted and repartitioned successfully. Click the Done button
NOTE: exFAT is used on SDXC card (64GB and higher).
NOTE: exFAT can be used on flash drives or memory cards to transfer files larger than 4GB.
NOTE: MacOS 10.6.2 or higher is required for exFAT file system. Some older operating systems must have a patch installed before they can use the exFAT file system.
NOTE: If the above steps do NOT resolve the problem or if the lock switch is missing or broken, please back up your data and request a replacement using our online web form.
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Operating systems that support exFAT
Deleting files on a memory card using a Mac
Deleting files on a Cruzer USB flash drive using a Mac
/File Shredder /How to Format A Flash Drive on Mac
I just bought a flash drive, and it seems to be working really slowly on my Mac. What should I do?
You need to format your flash drive on Mac to make it compatible with your Mac. We’ll teach you how in this article. Read away!
Here are the tactics you’ll learn about in this post.
Article GuidePart 1. Why Format Your Flash Drive?Part 2. How to Format a Flash Drive on MacPart 3. Use PowerMyMac File Shredder to Delete Files on Your Flash DrivePart 4. Conclusion
Part 1. Why Format Your Flash Drive?
There are various reasons why you have to format your flash drive on Mac. Here are the three common ones:
Ensure the flash drive’s full compatibility with Mac. Most flash drives are pre-formatted for use with Windows.
The difference between macOS and Windows is that they make use of different file systems. Mac uses either Mac OS Extended or AFPS as the file system, while Windows usually uses FAT32.
Drives that are formatted as FAT32 can still be used with macOS, but there is a bigger chance that you’ll encounter issues along the way.
Aside from that, Time Machine doesn’t work with drives that are not fully compatible with Mac. Time Machine is a built-in feature of Mac that backs up your files to an external storage device such as your flash drive.
Free up space in your flash drive. USB drives have limited memory space. Sometimes, deleting unnecessary files or transferring a few of them to your PC is enough.
Sometimes, it isn’t. That is when formatting your USB drive becomes the best solution.
Get rid of viruses and other issues. Flash drives are popular for their portability, but they can also carry viruses that can spread to other computers.
Formatting a flash drive on Mac is an easy yet effective way to remove them. Although macOS is generally much safer and more secure than Windows, this doesn’t mean that your Mac can’t be affected by viruses.
Part 2. How to Format a Flash Drive on Mac
Before you proceed with formatting your flash drive, you should first consider which format you are going to use. Selecting the correct format is crucial as it will have an impact on its compatibility with your Mac.
Certain formats work better on specific versions of macOS. The format that you set is something you’ll have to stick with for a long time, so it’s best if you make the right decision from the very start.
Below are the available formats and when best to use them.
APFS. Short for Apple File System, APFS only works with Mac running on High Sierra or later.
It is optimized for solid state drives (SSD) like flash drives, and this guarantees a faster performance than Mac OS Extended.
If you intend to use your USB drive only with a new Mac, APFS is highly recommended. The downside to it is that it isn’t Time Machine-compatible.
This means you cannot set the flash drive as the destination of your backup.
Mac OS Extended. If your Mac is running on macOS Sierra or below, this format is the way to go. Nevertheless, Mac OS Extended works with High Sierra and up as well.
This would work well if you think you would need to use your drive in an old Mac. It has some catching up to do in terms of speed, though.
On the bright side, you can use your flash drive to create backups via Time Machine.
FAT32. The most versatile in the list, FAT32 will allow you to use your USB drive on Windows as well as a Mac. In fact, it is the most widely compatible file system.
It works on most video game consoles, media players, and other devices. However, it can only support individual files up to 4GB in size.
We don’t suggest using this format if you plan to store large files like videos.
exFAT. This is closely similar to FAT32 in terms of compatibility. It works on both Windows and macOS too.
However, it is not supported by as many consoles and devices as FAT32. The great thing here is that it doesn’t have a file size limit.
If you want full compatibility with Mac, choose between APFS and Mac OS Extended. If you expect to transfer files between a Windows computer and a Mac, you should decide on either FAT32 or exFAT.
If you are merely freeing up space or getting rid of viruses in your flash drive, simply select the previous format.
Now, have you decided which format would best suit you and your Mac? If you have, refer to our step-by-step guide on how to format a flash drive on Mac.
Step 1: Plug the flash drive into the USB port.
Newer models of MacBook and MacBook Pro only come with USB-C ports. You will need to connect a USB-C adaptor on the port before you can connect your flash drive.
Step 2: Launch a Finder window.
Open a Finder window. You should see your flash drive listed below the Devices section.
Click on it. If you have files in your drive, make sure to transfer them to your Mac or another external storage device. Formatting your flash drive will wipe off all files in it.
Step 3: Run Disk Utility.
Now, go to Applications and select Utilities. Click Disk Utility to open it and press on your flash drive’s name from the sidebar. Click on the Erase tab at the top of the window.
Step 4. Choose a format for your flash drive.
From the drop-down list next to Format, select the format that you want to use for the flash drive. You may also set a name for your drive. Simply enter it in the field beside Name.
Step 5. Format your flash drive.
Click Erase. A dialog box will appear. Hit Erase to confirm and wait for your Mac to complete the formatting.
Part 3. Use PowerMyMac File Shredder to Delete Files on Your Flash Drive
Every time you want to permanently delete files on your USB drive, you don’t have to format it again. You can just use a reliable file shredder to conveniently erase files in a secure way.
PowerMyMac File Shredder does just that. You can use it to delete confidential files on your Mac, external hard drives, and SD cards as well. It comes with a 30-day free trial, so grab the opportunity while it lasts!
Step 1. Download, Launch iMyMac PowerMyMac and Choose File Shredder Option
Download and install the software on your Mac. Launch it once installation is complete. Connect your flash drive to the USB port.
From the left tab of the software, click Toolkit module and select Shredder. Hit Select Files.
Step 2. Choose File to Destroy
A Finder window will appear. On the sidebar, you will see a list of folders and your connected USB drive. Look for your flash drive below the Devices section and click on it.
Select the files that you want to delete and press Open. If you want to add more files for deletion, simply click on the Add Files button on the upper-left corner of the window.
Step 3. Permanently Shred Private Files
Before you continue, make sure that you’re certain that you wish to delete your files.
Once you have selected all files that you wish to delete, hit Clean.
People Also Read:How to Securely Delete Files on MacThe Best Mac File Shredder in 2021
Part 4. Conclusion
Formatting is useful for making the most out of your flash drive. Choosing the format that matches the Mac you’re using as well as your data storage needs are very important.
So is deleting unwanted and confidential files as safely and securely as possible. This is made possible with iMyMac PowerMyMac File Shredder.
Using Flash Drive On Mac
You should use it with caution, though. Once files are wiped off by iMyMac PowerMyMac File Shredder, you will no longer be able to recover them!
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