For many of us, cloud storage is a great way to avoid the problems of physical storage. If your computer dies, you simply need to swap out a hard drive and refresh your computer software. Your files are still in the cloud.

But what if you need to change which cloud your stuff is stored on? Should your favorite cloud end up shutting its doors, or changing for the worse, migrating years of data can be a complicated process that takes forever, and may even be expensive if you don’t have enough physical storage to keep it.