Xbox Game Studios and Turn 10 say that FM7 is officially being delisted from the Microsoft Store and being pulled from Xbox Game Pass as of September 15th, 2021.
"Players who already own Forza Motorsport 7 will still be able to download and play the game and its associated content as normal," they explain.
As for Game Pass folks, who have access to the game with their subscription, Turn 10 say that those who've purchased DLC for FM7 will receive a token download a copy of the full game