How to format internal and/or external drive to work properly on Mac and Windows computers?
There are two parts to this tutorial. One for Mac and the other for Windows 7. (Be careful using these instructions to ensure you are formatting the correct disk.) (for Windows instructions please scroll down) MAC INSTRUCTIONS Step 1: Double Click on the Finder icon that is located in the Dock. It looks like the Apple smiley face. If you are looking to format a disk that will be shared with Windows users, the MBR scheme and MS-DOS (FAT) are the best choices. For drives used with Intel-based Macs only, the GUID Partition Map should the option to go for. If you don't see the partition map scheme option, it is likely because Disk Utility doesn't list all volumes.
External data storage devices such as USB flash drives, external Hard Disk Drives (HDDs), and Solid State Drives (SSDs) provide one of the easiest ways to transfer files between separate computers without accessing the Internet. This option is often used when attempting to move very large files. The method is also chosen by people who work with media data that imposes various limitations and automatic optimizations when transferring via Internet. Despite the advantages of using external data storage to transfer content, some experienced users encounter problems caused by the difference between operating systems. This article addresses these issues.
Disk Format For Windows And Mac
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A common issue discussed by users within various technical support forums is that of USB flash drives not working on their computers. This is a cross-platform problem that Windows and macOS users often experience. For example, a photographer may provide you with a USB flash drive with stored photos and videos from your birthday party, but you cannot access them on your system. This is the result of differences between operating systems on computers. Windows and macOS use separate file system formats. PCs with Windows operating systems use New Technology File System (NTFS) while Macs with macOS operating systems use Hierarchical File System (HFS+). By default, USB flash drives and external storage are formatted with the NTFS file system - this works flawlessly on PCs, while Mac computers are able to read data in the format, but struggle to write using this type of storage. Fortunately, there is a simple solution: format your external storage with the File Allocation Table (FAT32) or Extended File Allocation Table (exFAT) file system. In this article, we describe the differences between these two file systems and how to format external storage using a Mac computer.
Table of Contents:
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Which file system to choose - FAT32 or exFAT?
As mentioned above, both file systems are compatible with Windows or macOS/OS X operating systems. Naturally, the question is: which should you choose? To make the choice easier, we describe both file systems and their features below.
Starting with FAT32 [on a Mac, known as MS-DOS (FAT)], this file system is fully compatible with all versions of Windows and Mac operating systems. Therefore, even the oldest versions of operating systems such as Windows XP SP1 and OS x 10.5 Leopard are compatible. As well as computers, the FAT32 file system is supported by PlayStation 3, Xbox 360, and most cameras. This particular file system does contain file size restrictions. For example, the maximum size of supported files is 4GB (you cannot write files larger than 4GB). Also, you cannot create a startup drive for Mac computers within storage media that uses the FAT32 file system. If, however, you are not planning to use external storage to transfer large files or create any executable partitions (such as a Mac startup drive) the FAT32 file system might be an option, since this format is supported in all versions of the operating system.
exFAT is a newer file system format and has the biggest advantage when compared with FAT32: there are no restrictions on file or partition sizes stored. Therefore, you can write a file of, for example, 1TB size and create partitions of 5TB within the device. Despite this improvement of available data size, some older versions of operating systems are no longer compatible with this file system format. The oldest versions of operating systems compatible with exFAT are listed below:
- Mac OS X Snow Leopard 10.6.5 or later
- OS X Lion
- Windows XP SP2 or later (with an additional update for exFAT support)
- Windows Vista SP1 or later
- Windows 7
Unfortunately, as well as some old versions of operating systems, the exFAT file system format is not supported by various cameras, video games consoles, and other devices able to read and/or write to external storage. If you will be using a USB flash drive or external storage device with any of these, the required format is FAT32. Otherwise, if the device is to be used only with computers with modern versions of operating systems, the recommended format is exFAT.
Format the drive with Mac computer
Firstly, bear in mind that formatting the drive will erase all content stored on it. Mac computers are capable of formatting any storage device (internal or external) such as HDD/SSD, USB flash drive, and external storage. Even if the Mac is unable to mount the storage, following this method will enable you to format the storage. Begin by connecting the storage device to your Mac, and then launch Disk Utility using Spotlight. Simply use the keyboard shortcut of Command and Spacebar, type Disk Utility, and then press return. Alternatively, open Finder and go to Applications, open Utilities, and then launch Disk Utility. Select the drive you wish to format from the list in the left sidebar of the Disk Utility window.
Then click the Erase button at the top of the window, in the new pop-up window, and type the name of drive. Then click the drop-down menu beside Format and select MS-DOS (FAT) - the FAT32 file format - or exFAT. These formats are described above.
If you are not planning to use this drive as the Windows startup disk or use it with the oldest version of the operating system, do not change the Scheme. Select Master Boot Record.
Finally, when all preferences are set, click the Erase button. The formatting process duration depends on size and type of the drive. A hard disk drive will take longer to format than a flash drive. NOTE: formatting will erase all existing data on the drive.
Video Showing how to format drive for Mac and Windows computers
There are many reasons why you may want to format an external HDD or small flash drive. For instance:
- You brought a new unformatted hard drive
- If the drive is not properly formatted, it won’t work
- You want to use your external hard drive in both MAC, PC and Linux (use FAT32)
- Before you sell your SDcard or Pendrive, you should format it to erase its data
- Your camera’s SD card (FAT32) can only hold a file up to 4GB file. To get larger file size format it to exFAT.
Warming: Formating a drive, also erase its data. Although you can still get it back, but it’s much harder after formatting. So if you can’t afford losing you data, take backup.
Which Format to choose?
Choosing a right file system is a bit tricky, so here are some pros and cons of all file system.
NTFS: This is windows propriety file system. Most external drives come preformatted in NTFS so that they can be used easily with Windows. However, NTFS drives are read only in MAC, but you can get write access by using software like NTFS-3g. It also works in Linux. And to support NTFS on Android use Stick mount or Paragon NTFS, HFS and exFAT.
HFS+: This MAC propriety file system and is used in iOS and MAC. If you format your external hard drive to HFS, you can use it on MAC and Linux (by removing journaling). However, to use it on Windows you can HFS explorer (read only).
ext4: This is a default file system for linux OS (including Raspberry Pi). To read an ext4 drive on Windows, you can Ext2Read and OSXfuse for MAC. However, I have not really use this format much, so we just skip it.
FAT32: This oldest file system and work with all OS i.e. Windows, MAC, Linux, Android, even TV, and PS3 etc. This is why it’s used in all small flash drive. Although it lacks all modern features and comes with 4 GB limit for single file size.
exFAT: is the extended version of exFAT. It works fine with Windows and MAC (all the modern version). For Android, you can use Stick mount app (root needed). However being a windows propriety file system, it does not play well in open source environment. But unlike FAT32, it does not have 4GB limit for single file size. Thus making it ideal for SDcards of the high-end camera.
How to Format an External Hard drive or Pen drive
Now that we know the good and bad about every file system, let see how to format a drive in Windows, MAC, and Linux.
Windows
Formatting a drive on Windows is quite simple. Plug in your external HDD to the USB port of your computer> then go to my computer > find your external drive > right-click it > and select format.
A new window will open, select the desired file system, keep the allocation unit size to default and check mark quick format (or it will take more time). Once done hit the format button and that’s it. Within seconds, you will have your drive in the new format.
Note: While formatting a pen drive you will see FAT32, exFAT, and NTFS as the available file system. However for external HDD you won’t see the FAT32 (windows don’t suggest fat32 for bigger drives) However to get other format option you can use third-party software.
MAC
Start by connecting your external HDD to MAC’s USB port. Under the finder men, go to Go > utilities > Disk Utility or type disk utility in the spotlight and hit enter.
Once under disk utility. Select your external HDD on the left side and then select partition option.
Now in the Partition area, click under Partition Layout and select 1 Partition. Then, click on Options. A new window will open, here select Master Boot Record and then click Ok.
Now in the right side of windows, give a name to your drive, from the drop-down select desired file system format. Make sure the size is set to an entire volume of your external drive. And once done, click on Apply.
Note: Here you will also see an option to format a large hard drive to FAT32 which is not available in Windows.
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Linux
Unlike windows and MAC, Linux does not a have built-in partition tool. So, you will have ti install a GUI tool called GParted and then plug in your external drive in the computer.
Open your terminal and type in the following command to install GParterd.
sudo apt-get install gparted
Once installed, type the following command to launch the program.
sudo gparted
A new window will open. Click on the top right side, select the volume you want to format.
Once you see the volume you want to format, right click on the block and select format > choose the file system you want > and click OK to confirm.
Note: Since, I am running Linux in a virtual machine, in final step my Format to option is not highlighted, But in your case, you will be able to click it and select the file system you to format in. To see the final step, I suggest you check out this howtogeek article.
Android
Say you don’t have any computer with you, now can you still format your external HDD? Well, if you have an Android (ROOT) then yes, you can still format your drive to popular formats like NTFS and HFS.
Format For Mac And Pc
To do this, install Paragon exFAT, NTFS & HFS+ from Play store. The main function of this application is to mount NTFS or HFS formatted HDD on Android, but there is another useful option hidden under settings — i.e. formatting a drive.
Best Disk Format For Mac And Windows
Once installed, open the app, mount your drive and then go to the settings, There select the new file system for your drive, give it a name and hit format.