Mac hard drive formatting steps: Run AweEraser for Mac > Choose “Erase Hard Drive” > Select hard drive > Click on “Erase” button > Format the selected hard drive. Please note that once the hard drive is formatted by AweEraser for Mac, all the data on the hard drive will be permanently erased, can’t be recovered by data recovery. If you have an external hard drive or USB flash drive that you’d like to use on both Macs and Windows PCs, choosing the right file system to format the drive can be confusing. Learn a few ways to make your drive Mac and PC friendly. If you have a Mac lying around, you can plug the drive into a Mac and back up the files. If you only have Windows systems available, you can use HFSExplorer to copy files from the drive onto your Windows system drive or another drive. Formatting hard drives and external hard drives is usually a fairly straightforward process. The two most popular operating systems, Windows and Mac OS both have formatting utilities built-in, which makes formatting external drives even more convenient.
Parted Magic LiveCD. In order to partition a hard drive, generally, the system reinstallation is. License: Free OS: Linux Dos Windows XP Windows Vista Windows 2000 Windows 7 Windows 8 Mac OS X.
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.
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:
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.
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.
Step 2: Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3), and cluster size to the selected partition, then click 'OK'.
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.
After this, you can connect your external hard drive/USB to Mac computer and use it to save data by then.
If you need to expand your storage space with an external hard drive and you use both Mac and PC, you'll likely run into a few obstacles. Hard drives advertised as being compatible with Windows and Mac OS may have misled you into thinking you could actually use one hard drive for both computers.
You can, but not out of the box.
Most external hard drives (HD) are sold in a format called NTFS, which is designed to work with Windows. Macs read and write to a different format, called HFS+. Another format, called FAT32 is compatible with both OS platforms. Here's a look at how the different HD format types function:
FAT32 (File Allocation Table)
- Natively read/write FAT32 on Windows and Mac OS X. - Maximum file size: 4GB - Maximum volume size: 2TB
NTFS (Windows NT File System)
- Natively read/write NTFS on Windows. - Read-only NTFS on Mac OS X - Native NTFS support can be enabled in Snow Leopard and above but has proven instable. - Maximum file size: 16 TB - Maximum volume size: 256TB
HFS+ (Hierarchical File System, aka Mac OS Extended)
- Natively read/write HFS+ on Mac OS X - Required for Time Machine - Maximum file size: 8EiB - Maximum volume size: 8EiB Isn't FAT32 the obvious solution?
According to the list above, formatting your hard drive to FAT32 so that you can read and write on either OS seems like the obvious solution. The video and directions below will guide you through the process, but before you format your HD to FAT32, beware of these drawbacks:
Now playing:Watch this: Format a drive for Mac OS X and Windows
If you've considered these issues and would still like to use FAT32, this video will guide you through the process of formatting your HD to FAT32 using a Windows or Mac PC:
OK, what are my alternatives to using FAT32?
The good news is, it's not FAT32 or nothing. The alternative solutions do require more tinkering, but if you do not want to risk FAT32's lack of security, choose from one of the following alternatives.
Hard Drive For Macbook
Option 1: Format to NTFS, and use NTFS-3G to read/write on Mac.
If you keep your hard drive's out-of-the-box NTFS format for all the reasons FAT32 displeases, there's a workaround that will allow your Mac to read and write files to the drive. NTFS-3G is an open-source program that, when coupled with MacFuse, will let you use your NTFS drive on your Mac. However, it is an open-source program, so use it at your own risk. Many have vouched for its success, but others complain about bugs.
The commercial solution, which will give you access to support and software updates, is Paragon NTFS. It's $20, offers Lion support, and you get a five-day trial to try before you buy.
Internal Hard Drive For Mac
Option 2: Format to HFS+, and use HFS Explorer to read/write on PC.
Conversely, you can format the HD to HFS+ and use HFSExplorer for Windows to read and write to the Mac-formatted hard drive. To get started, you'll first have to format the hard drive from NTFS to HFS+. Here's how: Bootable Program To Format Hard Drive
Plug your HD into the Mac and open Disk Utility, which can be accessed by searching for it in Spotlight. Then, select your hard drive from the left sidebar. Now go to the Erase tab. In the Volume Format list, select Mac OS Extended (Journaled). Then, click Erase at the bottom to format the drive. Please note that this will complete erase the drive. Any data you want to keep on that drive must be backed up elsewhere first.
Now that the hard drive is formatted to HFS+, install HFSExplorer (free) on your Windows machine to get read and write access to the drive. This is an open-source program, so use it at your own risk. Alternatively, you can opt for paid software like MacDrive instead.
Option 3: Create two partitions on your hard drive to use with each OS, separately.
This solution is a little different than the previous two because instead of having one hard drive that works with both machines, you're splitting your HD into two sections, each dedicated to a different OS. For example, if you have a 1TB hard drive, 500GB of storage can be used with your Windows computer, and 500 will be dedicated to your Mac computer.
You won't be able to write to the Mac side from your Windows computer, and vice versa, but it's a good solution for people who want all the advantages each format has to offer for its respective system. Here's how to do it:
Free Program To Format Hard Drive
Step 1: Connect the empty external HD to your Mac and launch Disk Utility. Select the drive from the left sidebar, then click the Partition tab. Under Partition layout, select '2 Partitions.' Now, drag the boxes to adjust the size of each partition. For example, you might want more storage for your Mac than you do for your PC.
Now, click on the top partition, name it 'Windows,' and change its format to MS-DOS. Then click the second partition, name it 'Mac,' and change its format to Mac OS Extended (Journaled). Give your settings a final lookover and click Apply. Step 2: Plug the 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. Right-click the Windows partition and select Format. In the Format dialog box, under File System, select FAT32. Click OK and complete the format process. Program To Format Hard Drive Windows 7
With these three options you'll be able to take advantage of either platform's offerings, be it Time Machine support or security options. In the end, you may end up using FAT32 for its simplicity, but don't say I didn't warn you about the risks.
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