Typically, these archives are managed through third-party tools. For example, many FIFA 19 mods require the Frosty Mod Manager to import and apply the "fixed" files in a specific order (e.g., applying core patches first, followed by specific visual fixes).
"I had given up on FIFA 19 after losing my 7-season Arsenal save three times. The fixed version hasn't crashed once in 60 hours." – fifa19romslabrar fixed