Since SteamOS on the Steam Deck is an Arch Linux variant, you can set up sshd and remotely log into your SteamDeck to copy games, apps, data, gamesaves, and screenshots.
Remote Management and Copying on the Steam Deck
Since SteamOS on the Steam Deck is an Arch Linux variant, you can set up sshd and remotely log into your SteamDeck to copy games, apps, data, gamesaves, and screenshots.