To ensure that your external drive consistently retains the same drive letter (like R

across different computers, you can set a permanent drive letter assignment. Here's how you can achieve this in Windows: 1.
Disk Management: - Connect the external drive to your computer. - Right-click on "This PC" or "My Computer" and select "Manage." - In the Computer Management window, click on "Disk Management." - Right-click on your external drive in the lower section of the window. - Choose "Change Drive Letter and Paths." - Click "Change." - Select the desired drive letter from the drop-down menu. - Check the box that reads "Assign the following drive letter to this volume." - Click "OK." 2.
Diskpart Command: - Press Win + X and choose "Command Prompt (Admin)" or "Windows PowerShell (Admin)." - Type
diskpart
and press Enter. - Enter
list volume
to display the list of volumes. - Identify the volume of the external drive you want to modify (usually listed by the drive capacity). - Type
select volume X
(where X is the volume number of your external drive). - Input
assign letter=R
to assign the drive letter R: to the selected volume. - Exit DiskPart and restart your computer to apply the changes. 3.
Third-Party Tools: - There are third-party tools like USB Drive Letter Manager that can help manage and assign drive letters automatically when external drives are connected. 4.
Group Policy: - You can also use Group Policy to prevent other drives from taking the R: drive letter when your external drive is connected. By setting a permanent drive letter assignment using Disk Management, Diskpart, or third-party tools, you can ensure that your external drive consistently retains the desired drive letter across different computers.