No, save files between the PC (Steam) version and the Nintendo Switch version are not compatible due to different file structures.
You can update CLANNAD through the Nintendo Official Site or directly on your console: Clannad Switch ROM NSP UPDATE
Fixing typos or translation inconsistencies in the English script. No, save files between the PC (Steam) version
A ROM (Read-Only Memory) NSP ( Nintendo Switch Package) update refers to a digital distribution package used by Nintendo for its Switch console. NSP files contain game data, which can be downloaded and installed on the Switch. A ROM NSP update typically involves updating an existing game ROM (a copy of the game's data) to a newer version, often to fix bugs, add features, or enhance performance. often to fix bugs