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Change a Drive Letter in Windows

A drive letter is the letter that precedes paths to files on that drive. For instance, C:, D:, E: and so on.

Windows lets you change the drive letter of hard drives, DVD drives, USB flash drives, memory cards or other drives attached to your system if so desired.

Note: You must be logged on as an administrator to perform these steps. Some programs make references to specific drive letters. If you change a drive letter, these programs might not work correctly!

So let’s get started:

  • Close any program or window that are using the drive letter which you want to change;
  • Right click on My Computer, Computer or This PC;
  • Click Manage from the pop-up menu (if a User Account Control dialogue appears, click Continue);
  • Click Disk Management under Storage on the left;
  • In the list, right click the drive, the partition, the logical drive, or the volume that you want to assign a drive letter to;
  • Click Change Drive Letter and Paths… from the pop-up menu;
  • Click the Change… button and select a new available letter from the drop-down;
  • Click OK;
  • Click Yes when you are prompted to confirm the drive letter change;
  • Close the Computer Management window;
  • Open Windows Explorer by pressing Windows Key+E and view the Computer window’s drive list to confirm that the drive shows up with the new letter.


If you get an error, the drive you are trying to change the letter might be in use. Close any program or window that is using the drive and try again.

You can always revert the process if you change your mind by following these steps.

Note: This article applies for Microsoft XP and later editions.

I hope that this article helped you to understand how to change a drive letter in Windows. Feel free to share your thoughts about this article using the comments section below or catch us on Twitter.


Experienced IT Consultant working and living in the UK. In early years he was born and raised up in Greece and been to the UK since studies. He is passionate with technology, gadgets and computers, he really likes the internet and IT in general.

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