If your Android tablet doesn't have a USB port, you can still easily transfer your files to and from a PC. Jack Wallen explains three ways this can be done.

How to transfer files from Android to PC using a USB cable: Connect your Android phone to your Windows PC using a USB cable. You will get a notification on your Android phone, reading “Charging ...

Warpinator makes transferring files to and from Android and Linux incredibly easy. In fact, you’d be hard-pressed to find an easy means of transferring files between these two platforms.

This in itself won't be a problem, but if the source drive uses the NTFS system, it can potentially hold files greater than 4GB, which you wouldn't be able to copy. Power on both external hard drives.