Take a look below some of the Questions and Answers about the Xbox One External Storage that you will be able to use. If you have any questions or comments please leave them below and will make sure Microsoft hears them.
Xbox One External Storage FAQ
Q: What can I install on my external storage device?
A: You can install games, downloadable content, and apps on your storage device.
Q: Can I store game saves on the external storage device?
A: No. Game saves are automatically stored in the cloud and synced to the Xbox One console.
Q: Can I use the external storage device for music and video playback?
A: No. For the initial release of the external storage feature, media files, including music and videos, are not supported. We are considering this for a future release.
Q: Can I copy or move a game from my internal hard drive to my external storage device?
A: Yes. Check out the content management features by going the Manage page for the game or app.
Q: Can I use my external storage device with my PC as well as my Xbox One?
A: No. The external storage device will be formatted for use by the Xbox One console only. PCs won’t recognize the drive partition created by the Xbox One.
Q: Can I re-format my storage device from my Xbox One console?
A: If you’d like to remove all content from your storage device and start over, you can re-format your storage device on the Xbox One. To do this, go to Settings>System>Manage Storage, choose the external drive you want to format, and select Format. After this is done, the Xbox One will treat it as a brand new drive.
◾Note: Formatting causes the storage device to wipe all data.
Q: Do I need to bring my game disc while roaming with my storage device?
A: Yes. The external storage device does not change the licensing for games, so if the game was installed from a disc, the disc is required to play the game.