Navigate to your save folder at %appdata%\StardewValley\Saves .
Unlike consoles, PC gives you full access to the raw save files. The location depends on your OS: save data stardew valley pc exclusive
Alternatively, you can manually navigate to: save data stardew valley pc exclusive
Console and mobile players operate within locked ecosystems. PC players enjoy open access to their game directories. This structural difference grants three primary exclusive advantages: save data stardew valley pc exclusive