Running a virtual machine on an external hard drive sounds like news to many people. But did you know that it’s doable? Virtual machines can run off an external hard drive. The best thing about portable applications is that they allow you to move between computers, taking your software applications and their settings with you on an external hard drive. The setup and installation are simple and can be done by storing your VM file on an external drive. Running your virtual machine on a USB drive is slow, and you’ll end up noticing delays and lags during execution. This is why you must try external drives since they are more efficient. For people wondering how to do this, there are a few things that you need to know, which we’re going to cover thoroughly in our guide. Let’s start by understanding what a virtual machine is.