This will completely overwrite your existing progress; you cannot "merge" saves.
Tools like the GPSaveConverter or specialized scripts from community Discord servers are used to decrypt a 100% "target" save and re-encrypt it using your unique Xbox User ID (XUID) .
Sort by "Date Modified." The newest folder typically contains your current save data. forza horizon 5 100 save game microsoft store link
If you are looking to manually back up your current progress, you can find the local save directory here: %LOCALAPPDATA%\Packages\Microsoft.624F8B84B80_8wekyb3d8bbwe\SystemAppData\wgs\
You will see a folder with random characters. Inside are your .container and .dat files. This will completely overwrite your existing progress; you
Inside the wgs folder, you will see a folder with a long string of numbers. This is your unique Xbox user ID. Inside that, you will find several subfolders. The one with the largest file size is usually your current save. 3. Backup Your Original Data
Using a 100% completion save file while connected to carries a high risk of an account ban . It is strongly recommended to use these saves only for offline play or on a secondary account, as the sudden jump in credits, cars, and level can be easily detected by anti-cheat systems. AI responses may include mistakes. Learn more If you are looking to manually back up
Inside this folder, you will see subfolders with long strings of numbers. The folder with the typically contains your active save data . How to Swap Your Save (Microsoft Store Version)