Sep 27,2020 • Filed to: Hard Drive Recovery • Proven solutions
'How to format an external hard drive Mac? What format system to use when reformatting my storage drive for a Mac?'
This is a frequent question asked by first-time, as well as the not-so-tech-savvy, macOS users. Learning how to format an external hard drive Mac is essential. Because saving all your data on the Cloud is nice and all, but physical storage is still popular. Especially if you don't have a stable internet connection or if most of your files are large.
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Luckily, you don't have to learn rocket science to be able to format an external hard drive for Mac or PC. The operation is pretty straightforward. When it comes to your iOS device, we have listed two methods for you, read below and explore more.
Part 1: What Is the Best Format for External Hard Drive Mac?
The first step to formatting your external drive for a Mac computer is choosing the right format. There are four possible choices:
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- APFS (Apple File System)
- HFS+ (Mac OS Extended)
- exFAT (Extended File Allocation Table)
- FAT (MS-DOS)
To understand which is the best for you, let's have a comprehensive overview of each of them.
1. Apple File System
The APFS was first introduced in 2017 as a replacement for the HFS+. Nowadays, all new Macs come with the operating system preinstalled on APFS, as this system is optimized for use with SSD and flash storage drives. However, it still works with traditional HDD drives too.
This is the best format to pick if you have an external SSD or USB flash drive that you don't intend to use with a Windows device.
The biggest strength of this system is the speed, as well as the encryption and metadata handling. However, you won't be able to use this system with Time Machine.
2. Mac OS Extended
The HFS+, or Hierarchical File System plus on its real name, was the main file system used for Mac until 2017.
This type of file system is suitable to use with both HDD and SDD drives, but the latter will perform slightly better with the APFS mentioned above. If you have an older Mac, though, choosing the HFS+ is your best bet.
In general, all external drives formatted to HFS+ work nicely with older Mac versions but are incompatible with Windows.
3. Extended File Allocation Table
Designed by Microsoft, the exFAT is a good choice if you plan to use the external hard drive with both macOS and Windows systems. Yet, you won't get top performance on either. This choice is more appropriate for USB flash drives, although you can still use it for SDD and HDD units too.
The main issue with exFAT is that your drive will be more prone to fragmentation when used with Apple devices and is less stable than NTFS on Windows. If you really have to share the drive between Mac and Windows machines, that's your best option though.
4. MS-DOS
Macs also support FAT32 drives, marked as FAT in Disk Utility. This format should be avoided at all costs unless you're dealing with a really old Windows computer, which you really have to use in parallel with your Mac system.
Typically, there is no reason to choose this option unless you're planning to use the external hard drive on a Windows XP or earlier machine.
Part 2: How to Format an External Hard Drive Mac?
Now that you know which format to choose, it's time to learn how to format an external hard drive for Mac. There are essentially two methods, with Disk Utility or Time Machine function.
Note: If you plan to format an older external drive, perhaps one you used with another device, make sure to backup all data before proceeding. Formatting is a permanent procedure that can't be reversed. While there are data recovery software you can use if you lost data, it is always better to prevent.
That said, here's how to format an external hard drive Mac:
Method 1: Format Mac Hard Drive with Disk Utility
Disk Utility is a utility application proprietary to macOS that is used to both format and manage internal and external disks. Here's how to use it:
Step 1 Connect the external hard drive you want to format to your Mac, then start the Disk Utility app that you can find under Applications -> Utilities.
Step 2 On the left side of the Utilities screen, find the name of the external hard drive you want to format and select it. Then, on the top side under the Disk Utility, click on the Erase button.
Step 3 Follow the on-screen prompts to select the desired file system and allow the drive to format. That's it! After the process is complete, you can either start using the drive or choose to create partitions on it.
Method 2: Format Mac Hard Drive with Time Machine
Formatting an external hard drive with Time Machine is as easy as formatting it with Disk Utility. Time Machine, however, gives you the possibility to create an automatic backup of the data on your hard drive before formatting it.
Before you proceed, therefore, you should first set up the external drive to use with Time Machine. To do this, open System Preferences and select Time Machine after you've connected the external drive to your Mac.
Now, click on Select Disk and select the desired drive from the list. Click on the Use Disk button. At this point, the system will run an automatic backup two minutes after you've clicked on the Use Disk button, or you can proceed with the formatting if the hard disk is empty.
To format an external hard drive for Mac with Time Machine, you must follow the steps below.
Step 1 Open Finder, Applications, then go to Utilities and Disk Utility.
Step 2 Follow the steps above to format the drive, and then you can use it with Time Machine on your Mac system.
Part 3: Bonus Tip – Data Recovery from Formatted Hard Drive on Mac
Sometimes, it may happen that you accidentally formatted an external hard drive containing important data. Whether it's your wedding pictures or your bachelor's degree thesis, chances are you want to get that data back as quickly as possible.
If you have a newer version of Mac, you can use the Apple Time Machine to recover your canceled files, or you could choose to use external software, such as Recoverit Data Recovery.
1. Recover Data with Apple Time Machine
In the former hypothesis, you can try to recover your data with the Time Machine. This app is Apple's backup feature present on the newer systems. If you followed the steps above before formatting the hard drive with Time Machine and allowed the app to execute the backup, then there are high chances that you can recover any lost data without too much hassle.
To do so, just launch the Time Machine and browse through the folders to see if it has saved the files you require.
For easier browsing, you can use the time stamp feature on the right side of the screen and select the date or time when you executed the backup. Once you found the files, simply click on Restore to get them back.
2. Recover Data with Recoverit Data Recovery
If you didn't use the Time Machine function or couldn't find the files you need, you can try to recover any lost files with trusted third-party software, such as Recoverit - Data Recovery.
Recoverit (IS)
A Life Saver to Solve Your Data Loss Problems!
- It allows you to recover unlimited lost or deleted files from your Mac device, including photo, video, and audio data, document files, and more.
- It supports all types of Mac files irrespective of their extension.
- Compatible with both internal and external drives, USB pens, memory cards, and other hardware, so you can rest assured it will retrieve your data if it's there.
- Retrieve data from accidentally deleted files, lost or formatted partitions, data lost due to virus attacks, system crashes, or data lost by the Time Machine.
- It is free to download and supports all leading macOS versions, including the 10.14 release.
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This system is also very easy to use, in just three easy steps:
Step 1Install the application and choose the desired location
Download and install the software on your Mac computer, then open it and select the external hard drive, partition, or location where you want to retrieve data.
Step 2Start the scan to retrieve your lost data
Click the Start button. The software will now scan the selected drive and display all retrieved data in an easy-to-scour list.
Step 3 Preview the recovered files and save them in your chosen location
Review and select the target files, then launch the recovery process. That's it. The software will restore your lost data.
Conclusion
As you can see, how to format an external hard drive Mac is not particularly complicated. The Disk Utility allows you to format the desired drive to the desired system in a blink of an eye. Backing up the data on your drive with Time Machine also allows you to avoid the recovery hassle. If you still lost some data, you even know which software to use to recover all lost files.
Now it's your turn. Use this guide to format your unreadable external drive, download, and use the data recovery software if needed, and don't forget to share this article with your Mac-addicted friends. They might make good use of it too.
An external hard drive that supports both Windows and Mac operating systems can be extremely helpful to users who work on both the operating systems. However, Windows was mainly optimized for NTFS (New Technology file system) format, on the other hand, APFS was created for the Mac OS.As we all know NTFS is not compatible with Mac and similarly APFS does not get along with Windows. Fortunately, you could create an external hard disk which is compatible with both Windows and Mac OS with the help of this article. This does not require any third-party application or assistance of any additional software. Let’s get down to make the external hard drive compatible with Mac and Windows.
How to create an external hard disk compatible on Mac and Windows?
Lets us first understand how to make the external hard drive compatible with Mac and Windows? using exFAT and Dual formatting?
- exFAT – Formatting a hard drive with the exFAT file system. Since exFAT formatted external hard disk are readable and writable by both the operating systems
- Dual formatting – If you are a user who prefers to have both APFS and NTFS file system on a single external hard disk, you can partition and dual format the hard drive.
Steps on how to format an external drive on macOS with exFAT
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- Connect the drive to the Mac.
- Open Disk Utility. The easiest way to do that is to hit CMD and the spacebar at the same time and type in Disk Utility to find the program.
- In disk utility, you will have an internal and external drive
- Select the drive you want to format and click erase.
- Give the partition a name and select exFAT for the format.
- Click Erase to finish and you will complete the procedure.
Steps on how to format an external drive on Windows with exFAT
- Connect the drive to your Windows PC.
- Open the Disk Management tool. You can do that by typing 'disk format' or 'disk management' in Windows search or going to Control Panel > Administrative Tools > Create and format hard disk partitions.
- Right-click on the external drive's partition or unallocated space you want to format and choose New Simple Volume
- Follow the wizard to choose a volume size.
- Assign a drive letter.
- Choose exFAT as the file system in the Format Partition screen.
- Give the volume a new name, click next and finish to complete the procedure.
Note - Your exFAT-formatted drive or partition can now be used for both Windows and Mac. Keep in mind that using a drive frequently between Windows and Mac could increase the chances of hard disk corruption, so make sure you have a backup of the data any drive. In case if you happened to lose you will need a reliable third party application to fix the issue.
How to Dual Format an external hard disk?
Let us understand how to make the external hard drive compatible with Mac and Windows using dual formatting?
If the user desires to use NTFS, APFS or HFS+ for any specific reasons and does not want to opt for exFAT, there is another option. Instead of formatting a drive with a single file system, the user can create two partitions and format those with NTFS, APFS, HFS+ or any other file systems.
How to partition external hard disk on Mac?
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- Connect the external hard disk to the Mac.
- Click on Disk utility. Select the drive from the left sidebar, then click the Partition tab.
- Under Partition layout, select '2 Partitions.'
- The user can adjust the size of the partition based on the desired requirement.
- Once adjusting based on the desired storage requirement, the user will able to choose the preferred operating system (NTFS or APFS) and complete the procedure.
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How to partition external hard disk on Windows?
- Plug the external hard drive into your Windows PC.
- Open the Start menu and search for Disk Management.
- Select the search result and the Disk Management utility will launch. In the left sidebar, you should see your hard drive and its partitions
- Select the drive which you want to be made into a partition. Right-click the Windows partition and select Shrink partition.
- In the Format dialog box, under File System, select the desired file system (NTFS). Click OK and complete the format process.
The chances of losing data in this scenario are comparatively high if anything goes wrong in formatting. It is recommended to have a backup of your data before performing this action. If you don’t have a backup you will need a professional hard drive recovery software to recover your lost or formatted data.
Remo hard drive recovery software is one such professional hard drive recovery tool which can easily help you to recover data from your lost or formatted hard disk. The tool supports more than 300 file formats with which you can be sure of recovering files of any format. The tool comes with two types of scan features, Normal scan, and Deep Scan which scans the hard drive sector by sector which ensures hassle-free data recovery.
FAQ
1. What is Hard format and Quick Format? Is data recovery possible in these scenarios?
- Hard format - A hard format is an option in Windows, which allows the user to format the whole disk/partition. The disadvantages of this feature are that the data residing on this disk is permanently lost and cannot be recovered
- Quick Format - Quick format is a feature in which the Windows allows the user to format the disk or partition. Know more on how to perform quick format and recover data after quick format here.
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2. How can I use NTFS on Mac?
A. Yes, you can use NTFS on Mac only in read-only mode and it cannot write or overwrite any of these files.
A. Yes, you can use NTFS on Mac only in read-only mode and it cannot write or overwrite any of these files.
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3. How can I use APFS on Windows?
A. Windows is capable of understanding the file format and can read the APFS, but cannot write or overwrite any of these files.
A. Windows is capable of understanding the file format and can read the APFS, but cannot write or overwrite any of these files.