Part 1: How To Format Flash Drive On Mac. Here are the steps that you need to follow. Do these steps and you will then be able to format your flash drive on your Mac. Step 1: Go ahead and plug in your flash drive in the USB port on your Mac. Step 2: After that, go ahead and launch the Finder and click on your flash drive detected by your Mac. Windows uses NTFS and Mac can't write files to volumes with NTFS format. So, if you want to use a USB flash drive or an external hard drive with NTFS format on Mac, you should first reformat the devices to the Mac OS Extended file system. It is the best way to ensure full Mac compatibility of a new external hard drive or flash disk. Here's how to format a drive using a Mac - including how to format a drive for Windows and Mac so the contents can be read on both platforms, and what format to use for Time Machine. Erase the USB disk using exFAT. ExFAT is compatible with Mac OS X 10.6.5 or newer, Windows Vista, Windows 7 and Windows 8. To erase the disk, open Disk Utility (Applications Utilities folder), select the USB drive in the sidebar, go to Erase tab and select exFAT on Format.

What is the best file system for USB or external hard drive on Mac?

Windows and Mac OS X use different file systems. Windows uses NTFS and Mac can't write files to volumes with NTFS format.

So, if you want to use a USB flash drive or an external hard drive with NTFS format on Mac, you should first reformat the devices to the Mac OS Extended file system. It is the best way to ensure full Mac compatibility of a new external hard drive or flash disk.

Again, formatting a drive will erase it completely, so make sure you have everything backed up that you want to keep. 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.

Usually, FAT32 which can be read and wrote on Mac is recommended for maximum compatibility. And if you need to transfer files larger than 4 GB between Macs and Windows computers, exFAT or MS-DOS (FAT) is better.

How to format USB flash drive or external hard drive for Mac

But how can you format USB flash drive or external hard drive for Mac? Don’t worry! This page will show you two ways to do this job: Shaking the habitual the knife rar file.

Format USB or external hard drive for Mac using Mac disk utility
Format USB or external hard drive for Mac on Windows PC using third-party USB format tool

Now, you can follow these two solutions to format any hard drive, flash drive, USB drive, SSD or any other external storage drive so as to make them work on your Mac now.

Method 1. Format USB or external hard drive for Mac using Mac Disk utility

Windows offers users built-in disk management tool to create, delete, resize, merge and format partitions. You can try the following steps to format USB or external hard drive for Mac with Disk Utility on Mac.

1. Connect the USB or external hard drive to your Mac computer.
2. Launch the Disk Utility by clicking 'Applications' > 'Utilities'.

3. Locate and click on your USB or external hard drive in Disk Utility and then click on 'Erase'.

4. Next to 'Format', click the contextual menu and select 'Mac OS Extended (Journaled)'.
5. Reset the drive name and click 'Erase', confirm the operation on the next pop-up window.

Wait for the process to complete and then you'll get compatible HFS+ file system on your external hard drive or USB, which will make your device compatible and workable on your Mac.

Method 2. Format USB or external hard drive for Mac using third-party USB format tool on a Windows PC

If you need a simpler format tool to format USB or external hard drive to FAT32 to make them work on Mac, you can apply a third-party format tool to format them on Windows PC. EaseUS partition software is a popular disk partition management tool which is available for all hard disk related jobs such as format disk partition, extend system partition, settle low disk space problem.

Now you can try it to format USB or external hard drive on your Windows PC by following the steps below. If you stored important data on the USB or external hard drive, you can try this tool to convert NTFS to FAT32 without formatting.

Step 1. Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the 'Format' option.

Format Usb Flash Drive Windows

Step 2. Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click 'OK'.

Formatting Flash Drive For Mac With Pc

Step 3. In the Warning window, click 'OK' to continue.

Step 4. Click the 'Execute Operation' button in the top-left corner to review the changes, then click 'Apply' to start formatting your external hard drive/USB/SD card.

Format Flash Drive For Mac And Windows 10

After this, you can connect your external hard drive/USB to Mac computer and use it to save data by then.