No. Save files are tied to individual user profiles. You must inject the save into each profile separately.
In the Nintendo Switch ecosystem, save data is tied to the internal memory of the console. An "All Unlocked" save file is a digital backup of a game progress slot where a player (or a group of players) has already done the heavy lifting. super smash bros ultimate all characters unlocked save
By injecting this file into your console, your copy of Smash Ultimate will instantly recognize that you have: Super Smash Bros
These are scams. DLC characters are locked behind an eShop entitlement check. No save file can bypass that. latecomers to the game
Super Smash Bros. Ultimate lives up to its name. With a roster boasting over 80 fighters (including DLC), it is the biggest crossover in gaming history. But for new players or those setting up a secondary Nintendo Switch, the "Everyone is Here!" tagline comes with a caveat: you have to unlock them first.
For a casual player, unlocking the base roster through the "World of Light" adventure mode or the classic "Challenger Approaching" battles is a rite of passage. But for tournament organizers, latecomers to the game, or players who simply want to experiment with every move-set immediately, the grind is a hurdle.
This has led to a high demand for "All Characters Unlocked" save files. Here is a deep dive into what these files are, the risks involved, and how the community uses them.