C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\savegames\[Your Ubisoft ID Code]\
Here is the standard path for the save files:
If you need to back up your progress, transfer your game to a new PC, or manually delete a corrupted save, knowing the exact save file location for Far Cry 5 is essential. Unlike many older games that store saves in the game’s installation folder, Far Cry 5 uses a protected folder within your Windows user directory.