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#How to reformat a usb drive on a usb how to#
#How to reformat a usb drive on a usb mac os#
#How to reformat a usb drive on a usb install#
#How to reformat a usb drive on a usb Pc#
#How to reformat a usb drive on a usb iso#

Smaller devices with a few files will reformat quickly. That’s it! You’ve successfully reformatted your USB drive. Once all the options are set, go ahead and click on “Erase”. Keep in mind, that depending on how secure your erase is, the time it takes to format your drive could increase significantly. If you don’t want your data recovered, choose the “Most Secure” option. You‘ll be prompted to select an option as to how you would like to delete the data in your drive.Īs you might know, if you erase the data using the fastest way possible, certain disk recovery programs could recover what you erased easily. If you‘ve stored any sensitive data on your USB drive, it is wise to pay attention to the "Security Options" button before you format.

#How to reformat a usb drive on a usb mac os#

Mac OS Extended (Journaled) is the preferred format, but depending on your requirements, select the best option for you from the drop-down menu. You‘ll be prompted to select a name for your drive and the desired format. Select the preferred USB Drive from the menu on the left side of the screen.Ĭlick on “ Erase” on the top toolbar. When you open the “Disk Utility,” the tool will look like below: You can find the “Disk Utility” tool inside the “Utilities” folder. In the “Applications” folder, find the folder named "Utilities," and navigate to it. If you aren’t able to bring up “Spotlight Search” for some reason, navigate to the “Finder” directory and click on “Applications”.

Click on the first suggestion to open the “Disk Utility” tool.

Click on the magnifying glass icon and type "Disk Utility".

Push the “Command” button and the “Space” button together on your keyboard to bring up “Spotlight Search” or whatever search app your have installed.

Under “Format,” you can see the format of your device.įormatting a Flash Drive Disk Utility on your Mac Once you click on "Get Info," you’ll be presented with information on the device. Right-click on the device name and click on "Get Info". Navigate to the Finder directory and look for your device on the left side menu. There are two ways you can approach reformatting a thumb drive:īefore formatting the USB Drive, check the current Format of your drive. Unless this is specifically required, we recommend the "Journaled" format Two Easy Ways to Reformat a USB drive This is similar to the Journaled format except for the fact that all folder names are case-sensitive.įor example, the file format differentiates a folder named " MYFOLDER" from a folder named " myfolder". Mac OS Extended (Case-sensitive, Journaled) It uses the Mac format to protect the integrity of the hierarchical file system.

This is the recommended file system for devices that are used with Macbooks.

Unless a system specifically calls for FAT32 devices, avoid this format at all costs. For example, you can only store files that are less than 4GB on the device. This file format is highly compatible but somewhat limiting. This file format is compatible with multiple devices, like PCs and gaming consoles. If you plan on using your USB on both Windows and macOS devices, the preferred format is ExFAT. Different File System Formats Available in Disk Utility ExFAT

#How to reformat a usb drive on a usb how to#

Let’s look at how to format your thumb drive for a Mac. Unless it’s specifically designed to work on a macOS, you'll need to reformat the flash drive. It’s because most computers run on Windows and most thumb drives ship with formats that favor a Windows environment.

Split the Windows image file into smaller files, and put the smaller files onto the USB drive: Dism /Split-Image /ImageFile:D:\sources\install.wim /SWMFile:E:\sources\install.Have you ever tried to use a USB drive on your Mac only to realize you couldn’t write any files to it?

#How to reformat a usb drive on a usb iso#

If your image is larger than the filesize limit:Ĭopy everything except the Windows image file (sources\install.wim) to the USB drive (either drag and drop, or use this command, where D: is the mounted ISO and E: is the USB flash drive.) robocopy D: E: /s /max:3800000000

#How to reformat a usb drive on a usb install#

Windows USB install drives are formatted as FAT32, which has a 4GB filesize limit. Follow the instructions to install Windows.

#How to reformat a usb drive on a usb Pc#

Select the option that boots the PC from the USB flash drive. Turn on the PC and press the key that opens the boot-device selection menu for the computer, such as the Esc/F10/F12 keys. For more information, see Automate Windows Setup. Optional: add an unattend file to automate the installation process. Use File Explorer to copy and paste the entire contents of the Windows product DVD or ISO to the USB flash drive. Step 2 - Copy Windows Setup to the USB flash drive If Mark Partition as Active isn't available, you can instead use diskpart to select the partition and mark it active.