1 day ago · Mixed Next-Gen Messaging: Eagle-eyed viewers may have noticed that a number of games in the showcase were only listed as Xbox Series X and PC releases, with no mention of Xbox One.

No. When backwards compatability was revealed for the Xbox One, Microsoft set up a forum (That has since now shut down) where users could vote for the games they wanted. However there were a few limitations. One of them is that the game wouldn't b 'Rock Band 4' Xbox One Instrument Compatibility FAQ Mar 30, 2020 Buy Xbox 360 Games on Xbox One | PCMag Mar 23, 2016

Troubleshoot playing Xbox 360 games on your Xbox One

Since your Xbox One essentially emulates an Xbox 360 while playing older games, all you really have to do is move your saves to the Xbox 360 cloud to use them on your new system.

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GTA 5 on Xbox One!! (How to play Xbox 360 games on XB1 Nov 27, 2013