Software & Apps Windows 178 178 people found this article helpful How to Change a Drive Letter Don't like the letters assigned to your drives in Windows? Change them! by Tim Fisher General Manager, VP, Lifewire.com Tim Fisher has 30+ years' professional technology support experience. He writes troubleshooting content and is the General Manager of Lifewire. our editorial process Facebook Twitter LinkedIn Tim Fisher Updated on July 06, 2020 reviewed by Jerrick Leger Lifewire Tech Review Board Member Jerrick Leger is a CompTIA-certified IT Specialist with more than 10 years' experience in technical support and IT fields. He is also owns an IT firm in Texas serving small businesses. our review board Article reviewed on Apr 30, 2020 Jerrick Leger Windows The Ultimate Laptop Buying Guide Tweet Share Email While they might seem set in stone, the letters assigned to your hard drives, optical drives, and USB based drives in Windows are very much not a fixed thing. Maybe you're using a new external hard drive and now you want to change the drive letter to G from the F it was assigned, or maybe you just like to keep your flash drives organized at the end of the alphabet. Whatever the reason, the Disk Management tool in Windows makes changing drive letters surprisingly easy, even if you've never worked with your drives in any way before. Changing drive letters in Windows usually takes less than a few minutes, at most. Unfortunately, you can't change the drive letter of the partition that Windows is installed onto. On most computers, this is usually the C drive. These steps apply to Windows XP and newer versions of Windows. See What Version of Windows Do I Have? if you're not sure which you're running. How to Change Drive Letters in Windows Open Disk Management, the tool in Windows that lets you manage drive letters, among [many] other things. In Windows 10 and Windows 8, Disk Management is also available from the Power User Menu (WIN+X keyboard shortcut) and is probably the quickest way to open it. You can also start Disk Management from the Command Prompt in any version of Windows, but starting it via Computer Management is probably best for most of you. Locate from the list at the top, or from the map at the bottom, the drive you want to change the drive letter of. If you're not sure that the drive you're looking at is really the one you want to change the drive letter for, you can right-click or tap-and-hold the drive and then choose Explore. If you need to, look through the folders to see if that's the right drive. Right-click or tap-and-hold the drive and choose Change Drive Letter and Paths. Select Change. If you've selected the primary drive by accident, some versions of Windows will display a message that reads Windows cannot modify the drive letter of your system volume or boot volume. Choose the drive letter you want Windows to assign to this storage device by selecting it from the Assign the following drive letter drop-down box. You don't need to worry if the drive letter is already being used by another drive because Windows hides any letters you can't use. Select OK. Choose Yes to the Some programs that rely on drive letters might not run correctly. Do you want to continue? question. If you have software installed to this drive, it might stop working properly after changing the drive letter. See details on this in the section below. Once the drive letter change is complete, which usually only takes a second or two, you're welcome to close any open Disk Management or other windows. The drive letter is different from the volume label. You can change the volume label using similar steps. More on Changing a Drive's Letter in Windows Changing drive letter assignments for drives that have software installed to them may cause the software to stop working. This isn't quite as common with newer programs and apps but if you have an old program, especially if you're still using Windows XP or Windows Vista, this is likely to be a problem. Fortunately, most of us don't have software installed to drives other than the primary drive (typically the C drive), but if you do, consider this your warning that you might need to reinstall the software after changing the drive letter. You cannot change the drive letter of the drive that the Windows operating system is installed on. If you'd like Windows to exist on a drive other than C, or whatever it happens to be now, you can make that happen but you'll have to complete a clean install of Windows to do it. Unless you have a pressing need to have Windows exist on a different drive letter, we don't recommend going through all that trouble. There's no built-in way to switch drive letters between two drives in Windows. Instead, use a drive letter that you don't plan on using as a temporary "holding" letter during the drive letter change process. For example, let's say you'd like to swap Drive A for Drive B. Start by changing Drive A's letter to one that you don't plan on using (like X), then Drive B's letter to Drive A's original one, and finally Drive A's letter to Drive B's original one. You can also change the drive letter from Command Prompt. It's not as easy as using Disk Management and you can't see right away which letters are available to choose, but it is completely doable with the diskpart command.