Do not click download if your console is dirty/unstealthed, as this will lead to an immediate Nintendo Network ban. Block Nintendo servers using Exosphere or DNS.MITM , and look for the newest offline NSP update package. Safe Practices Reminder
You installed a DLC file instead of an update, or the update region mismatches the base game. overcooked all you can eat switch nsp update install
can merge the base game, DLC, and updates into a single "super" NSP file. Nintendo Switch NSP Combination Install Tutorial Do not click download if your console is
Skipping the full uninstall leads to orphaned metadata that causes the game to report "Corrupted data has been detected" on launch. can merge the base game, DLC, and updates
Ultimate Guide: How to Install Updates for Overcooked! All You Can Eat on Nintendo Switch (NSP)
For a successful , you must know the difference between file formats: