Learn how to format your USB flash drive or USB external drive so you can use it on both Mac OS X and Windows computers. Now you can share files between a Ma. Note: exFAT format USB flash drives do not work with ClonerAlliance products. Click a format option (FAT32 or NTFS). If you’ve formatted your drive before and you’re positive that it isn’t broken, you can also check the Quick Format box. Click Start, and then click OK. Doing this will cause Windows to begin formatting your flash drive for.

It lets you format USB flash drive in Quick format mode and normal mode. The file systems available in this software to format USB flash drives are: NTFS, FAT32, and exFAT. To format drives using this software, you need to first locate the drive in This PC (for Windows 8 and later versions) or My Computer (for Windows 7 and older versions) folder. There are several integrated Write Protected USB drive format tools in your Windows and your Mac that you can use to remove the Write Protection from your USB drive and format it. So, if you really want to format a Write Protected USB drive, then stick with this article till the very end.

If you’re using both Windows and macOS, you’ve to deal with when mac refuses to boot. The reason behind can be from a number of things that could go wrong. This includes system failure, bad updates, power failure, hardware failure. Unless there is a hardware problem that only can be diagnosed at the apple center you can fix your Apple computer.

It is an excellent practice always to have a bootable macOS USB, which you can easily create using macOS operating system. But since we’re here, you probably can want to make bootable USB using Windows 10. Let’s be real, and there are more Windows computers compared to MAC. Fortunately, you can use a Windows computer to create a bootable USB flash drive.

In this article, we’ll help you with the instructions to create a bootable MacOS USB installation media from a Windows 10 computer. So that you can use that USB to install or reinstall (upgrade) Apple’s MacOS. You can create a macos Catalina/sierra bootable USB using this guide to fix your operating system.

What’s needed?

You will need a few things before you get started. The first essential thing in it is a USB drive would be awesome if you use a USB 3.0, but you can get the work done using slow USB as well. So, in contrast, you need these following things.

One high-quality USB flash drive with 16GB of storage.
TransMac software.
MacOS operating system image (DMG file).

How to Create a macos Catalina bootable usb

The guide is simple and straightforward if you follow thiese step.

Download and install TransMac on your Windows PC. It’s paid software with 15-day trial, so you can use it within the time to create a bootable MacOS USB flash drive. If you like the software and to support the developer you can buy the full version.

Plug the USB drive to your Windows computer that you’ll be using to fix your MacOS. And we are going to tell you something straightforward – backup if things stored in USB Drive.

Step 1. Open the TransMac, and select Run as administrator. If you’re using the trial version, wait 15 seconds, and click Run.

Step 2. Use your USB drive right-click on it and select format disk format this will format the USB drive so that it can be used to store the Mac OS operating system. One thing you need took care of that the USB drive needs in GPT partition in order to work on a Mac computer otherwise it won’t boot.

When it prompts select a name for your USB it doesn’t matter but just do it and click ok. If the formatting completed successfully, click OK to continue.

Format Usb Flash Drive For Mac And Windows

Step 3. Again from the left sidebar right-click on the USB drive and select restore with disk image.

Step 4. Now browse to the location where the Mac OS system image file is located and click ok to load it.

Step 5. Click Yes to create the macOS USB bootable media.

It will take a few minutes to complete the process because the Mac Operating System is larger than any other operating systems like Windows and LINUX in size. Now plug the USB drive to Mac computer in order to install, install or upgrade the operating system to the latest version of Mac OS, which can be Sierra or later.

THE TOOL CAN

Apple File System (APFS) volume read support.
Open Mac APFS/HFS/HFS+ format disk drives, flash drives, CD/DVD/Blu-ray media, HD floppies, dmg, dmgpart, sparsebundle and sparseimage files.
Copy files to Mac HFS+ disks and dmg images.
Format as HFS+ for Mac .
Save and restore images of disks and flash drives.
Create, compress, expand and split dmg files.
Built in burner functionality to burn ISO and dmg files directly to CD/DVD/Blu-Ray.
Read Mac multisession and hybrid CDs.
View partition layout.

How to create a GPT partition on a USB flash drive

If the USB flash drive is not working using TransMac, it could be still a partition problem. In this case, you want to redo the entire process again, but this time use the following steps to use the Diskpart command-line utility on Windows to create the appropriate GPT partition.

Open Command Prompt as an administrator. Type cmd in run dialog or open it from the start menu.
Type the diskpart command and press Enter. This will display that is connected to your computer.
Enter the list disk command to view all drives connected to your computer and press Enter. This command will show all of the partitions inside of a disc.
Type the select disk command followed the number assigned for the USB flash drive (e.g., select disk 4), and press Enter. This command will select the disc partition of your choice.
Enter the clean command and press Enter. This erases and formats the disc.
Type the convert GPT command and press Enter. This convert master boot record to new GPT.
Enter the create partition primary command and press Enter to complete the process.

Quickly create a macOS bootable USB on Windows

Now make bootable USB using the TransMac software (follow instructions that are given above). Now connect the USB and power on your Mac computer while holding the option key and then select the USB Flash media to run the installation.

Learn using USB on MAC (Apple support page)

Learn more about making bootable USB.

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Nowadays, when you buy a USB drive, you can use it right out of the box with your Mac. However, unless it’s been designed for use with a Mac, it won’t be formatted using macOS’ preferred file system (either Mac OS Extended or APFS, depending on which version of macOS you’re running).

That’s because most of the computers in the world run Windows, and Windows uses a different file system, usually one known as Fat32. Drives formatted as Fat32 can be read from and written to by macOS, but it’s not optimal and you’re more likely to run into problems than if you use macOS’ native format. So, if you’ve bought a USB drive that’s formatted as Fat32, or any other format other than Mac OS Extended (also known as HFS+) or APFS, here’s how to format a USB drive on Mac. It’s exactly the same procedure if you need to reformat a flash drive on a Mac.

How to format a USB drive on a Mac

1. Plug the drive into a USB socket (if you have a recent MacBook or MacBook Pro that only has USB-C connectors, you’ll need a USB-C to USB-A adaptor).

2. Open a new Finder window and click on the drive. Make sure it has no files on it that you need. The process of reformatting it will wipe all the data from it.

3. Once you’ve copied any files you need from the USB drive to your Mac, go to Applications>Utilities and double-click on Disk Utility.

4. Click on