Does Windows Retain Cached Copies of Files on USB Drives?
 

Most of us never give much thought to what is happening in the background when copying files from one location to another, we simply complete the task and move on. But is there an extra copy left behind that we are unaware of? With that in mind, today’s SuperUser Q&A post has the answer to a curious reader’s question.

http://www.howtogeek.com/242981/does...on-usb-drives/