%LOCALAPPDATA%\Packages\Microsoft.624F8B84B80_8wekyb3d8bbwe\SystemAppData\wgs\
to change the XUID (Xbox User ID) inside the downloaded file to match your own account. Without this, the game will reject the save as "corrupted" or belonging to another user. Step 1: Backup. Always copy your original folder to a safe place before starting. Step 2: Get your XUID. Use a tool like the XUID Lookup forza horizon 5 100 save game microsoft store 2021
On the Microsoft Store version, your save data is hidden deep in the system folders. Navigate to: %LOCALAPPDATA%\Packages\Microsoft.624801947Fb3_8wekyb3d8bbwe\SystemAppData\wgs %LOCALAPPDATA%\Packages\Microsoft
Look for a file named container.x (where x is a number); open it in Notepad to verify it mentions "ProfileData". Always copy your original folder to a safe
The only legitimate way to get all cars is:
Minimal steps if a user still wants to try a community 100% save (PC, assume responsibility)
: All PR Stunts, races, and Barn Finds completed. Locating Your Microsoft Store Save Files