How to change a drive letter of a USB drive in Windows 7, 8 and 10
This tutorial will show you step by step how to change the drive letter of a USB drive in Windows 7, 8 and 10.
You can assign a permanent (static) drive letter to your external hard drive or USB flash drive by using the Disk Management tool built into Windows.
If you use multiple USB drives, you've probably noticed that the drive letter can be different each time you connect a USB drive to your PC.
Windows will automatically assign a drive letter to any drive you connect to your PC.
This can cause problems with some software (e.g., backup software) because some software requires the same drive letter every time.
If you have software that requires the same drive letter every time you plug in a USB drive, you will have to assign a permanent (static) drive letter to your external hard drive or USB flash drive.
To change drive letters of drives, you can use the Disk Management tool built into Windows.
How to change a drive letter of a USB drive in Windows
1. Insert the USB drive into your PC.
2. Open the Windows Disk Management tool.
Two ways to open the Disk Management tool:
- Press the [Windows] + [R] key on your keyboard to open a Run window, then type diskmgmt.msc and press Enter, or click on OK.
- Open Control Panel, click on System and Security, click on Administrative Tools, double-click on Computer Management and then click on Disk Management located in the left panel (under Storage).
3. Right-click on the drive whose drive letter you want to change and then click Change Drive Letter and Paths.
A Change Drive Letter and Paths for ... window will appear.
4. Click on the Change button.
5. At Assign the following drive letter, you select a drive letter between M and Z, because earlier drive letters may still get assigned to other drives.
Drive letters M till Z are almost never used on most Windows systems.
6. When you're done, you click on OK.
Now you will get the following warning; Some programs that rely on drive letters might not run correctly. Do you want to continue?.
7. Click on Yes.
The new drive letter is now assigned to the drive.
8. Close the Disk Management tool.
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HowToGeek: How to assign a persistent drive letter to a USB drive in Windows