Navigate to the folder containing your NSP file within the app.
Recent 2026 updates introduced an "experimental file recovery" tool intended to remove excess items from bloated save files to prevent crashes.
: While optimized for the Switch, the developer acknowledges that upgrading to the latest content has been complex due to engine limitations.
The latest NSP update for Astroneer on the Nintendo Switch brings several improvements, enhancements, and new features to the game. Here are the key highlights:
To update on your Nintendo Switch to the latest version (currently Patch 1.39.5 as of April 2026), follow the standard software update procedure through the official Nintendo eShop or the console's home menu. How to Update Astroneer on Nintendo Switch Manual Update : On your Switch Home Screen, highlight the game icon.