USB Drive Letter Manager (USBDLM)

5.6.0 USB drive letter manager for Windows

Utility that allows users to assign specific drive letters to USB devices for easier identification and management.

USB Drive Letter Manager (USBDLM) is a freeware drive letter management app and explorer addon, developed by Uwe Sieber for Windows. It's pretty portable.

The download has been tested by an editor here on a PC and a list of features has been compiled; see below.

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Customize the drive letter assigned to attach USB mass storage

USBDLM is a Windows service that gives control over Windows' drive letter assignment for USB drives. Running as service makes it independent of the logged on user's privileges, so there is no need to give the users the privilege to change drive letters.

USBDLM automatically solves conflicts between USB drives and network or subst drives of the currently logged on user.
Furthermore you can define new default letters for USB drives and much more.

All functions are applied to USB drives at the moment they are being attached, when the USBDLM service starts up and when a user logs on.

Features of USB Drive Letter Manager (USBDLM)

  • Advanced Drive Letter Assignment: Create rules to assign drive letters.
  • Automated Drive Letter Assignment: Automatically assign drive letters that are not in use.
  • Backup and Restore: Backup and restore drive letter configurations.
  • Command Line Support: Automate drive letter assignment for scripting.
  • Detailed Logging: View and maintain detailed log of drive letter assignments.
  • Easy Folder Management: Quickly assign, change and remove drive letters.
  • Flexible Drive Letter Assignment: Assign drive letters to any drive.
  • Hotkey Support: Assign hotkeys for quick access.
  • Multi-User Support: Assign drive letters to multiple users.
  • Persistent Drive Letters: Assign drive letters that will be retained across reboots.
  • Portable Mode: Run USBDLM from a USB drive.
  • System Tray Icon: Monitor current drive letter assignments.
  • Volume Label Display: Display volume label in the drive letter list.

Compatibility and License

USB Drive Letter Manager (USBDLM) is provided under a freeware license on Windows from Windows shell software with no restrictions on usage. Download and installation of this PC software is free and 5.6.0 is the latest version last time we checked.

What version of Windows can USB Drive Letter Manager (USBDLM) run on?

USB Drive Letter Manager (USBDLM) can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It comes in both 32-bit and 64-bit downloads.


Filed under:
  1. USB Drive Letter Manager (USBDLM) Download
  2. Free Windows Shell Software
  3. Portable Software
  4. Drive Letter Management Software
USB Drive Letter Manager (USBDLM) has been picked by our editors as very good.
We have tested USB Drive Letter Manager (USBDLM) 5.6.0 against malware with several different programs. Please review the test results. We have not certified this program as clean. [Read more]