If the external drive meets the requirements the following will appear on screen the first time the drive is connected to the xbox one.
Adding usb storage to xbox one.
This means you ll be able to keep everything you have.
Once automatically detected follow the on screen prompts permitting.
Connect the drive to a vacant usb port using the included cable.
The only way you can play media from a nas at the moment as theninjajedi has suggested is to find a way to use playto to send it to the xbox as this is supported.
External usb hard drives can now be used as storage space on the xbox one to configure an external usb hard drive for use on the xbox one the usb drive must be usb 3 0 and have at least 256gb of space.
Add external drive to xbox one for more storage first fire up your xbox one and plug in the drive you want to use into an available usb port on the console.
You ll need a hard drive and an enclosure to add your own storage to the xbox one a good choice would be the orico toolfree for 3 5 or ssds to serve as the enclosure it can use multiple.
With a drive in hand it s now time to connect it to xbox one.
After that you ll be prompted to.
To get more storage space consider getting an external hard drive for your xbox one.
Plug an external hard drive into your xbox one via a usb cable and assuming the drive is fast enough the xbox one will be able to install games to that drive.
Currently there is no external storage options on the xbox one and to be honest i doubt that they ll support nas for things like games etc.
Adding an external hard drive the easy microsoft approved way to expand your xbox one s hard drive space is to add an external hard drive.
A message will pop up on screen to show it recognises that.