If you copy your library first, though, simply follow these steps to add that folder as the library. Password Protection with Hardware Encryption. It's handy to make sure you've done this first if you're copying an existing library as it will create the necessary destination on the drive for you to dump all the files in. And you can quickly drag and drop files to and from the drive with Finder. Find your external drive in the drop-down box.1 2 comes with Android Security Patch Level Please also make sure if the 1539862 changelist and build date are correct for SAMSUNG I8190 Galaxy S III mini. Click on downloads in the left-hand pane. Why is it that when i drage a file into my my passport for mac itb hard drive it copies it.Open the Steam menu in the top left corner.The key is to tell Steam where it needs to store your games, so it can install them in the right place and knows where to find them when you want to play. I tried plugging in a 2TB WD My Passport portable hard drive and the Roku will. This process is important whether you're copying an existing Steam library to an external drive or setting up a brand-new one from scratch to download all your games. Once the movie file has successfully transferred onto your flash drive.