All of my saved data was deleted somehow, I lost everything on my game, please help me xbox personal

I went into forza horizon 3 as I have many other times and started the game up, expecting to do some car customization stuff, but when the game started it started me over at the very beginning of the game, I have no idea what happened, I have lost millions of my in game credits now and all of my progress and all of my cars that were in my garage are all gone, please help me​:pensive::pensive::pensive:

DId you cancel when the game was syncing? Are you only playing on xbox? If you canceled the sync you can exit the game and hard reset the xbox to see if it sync’s from the cloud. If you over wrote it by playing a new game then unfortunately the save is lost and there is no way to get that back.