If your Switch is out of space, the obvious move is to buy a memory card. That works — but only for some of your data, and the exception is the one that catches people out: your saved games never move to the card. Nintendo states it plainly, twice, on two separate support pages: “Game save data cannot be saved or copied to a microSD card.”
So a card fixes a full-of-games console. It does nothing for a console full of save data.
Quick answer
- A microSD card holds downloaded games, updates, DLC and screenshots.
- It does not hold save data. That stays in the console’s memory, always.
- Best quick win: archive games you are not playing — it frees the space but keeps the icon.
- Archiving and deleting both keep your progress. Neither touches save data.
- External hard drives are not supported on Switch.
Where Your Save Data Actually Lives
On every Switch model, saves sit in the console itself: “On Nintendo Switch, game save data is stored on the console’s System Memory.” Nintendo draws no exception there for cartridge games.
Nintendo repeats the point on its save-management page, which is a decent sign of how often people assume otherwise: “Game save data is stored in the console’s internal memory and cannot be saved or moved to a microSD card.”
The practical upshot: if the console is complaining about space for saves specifically, a bigger card will not help. You need to remove save data instead.
What a microSD Card Does Hold
Plenty, and it is the right first purchase for most people: “Yes, a microSD card can be used to save screenshots and software data, including downloaded software, software updates, and DLC.”
Two caveats worth knowing before you buy:
- Some games demand one regardless. “Some Nintendo Switch games will require that you purchase an additional microSD card to play them.”
- A hard drive is not an alternative. “External USB hard drives are not currently supported.”
The Best Way to Free Space: Archive, Don’t Delete
Archiving is the option most people never find, and it is usually the right one. “Archiving will allow you to delete downloaded software in order to free up space while preserving the software icon on the HOME Menu.”
The game’s data goes; its icon stays, so you can reinstall it by selecting it later. And either way your progress survives — “The game save data is unaffected in either option, so you can resume your game progress once the software is redownloaded.”
To do it, “You will need to free up space by going to System Settings”, then select Data Management and work through the software list.
What Not to Do
Two actions in these menus are irreversible, and it is worth being deliberate about both.
Do not delete a user to reclaim space. “Deleting a user account will delete all save data associated to the account.” That is the single most destructive thing in the storage menu. Worth knowing too: linking a Nintendo Account to a user profile is permanent, so deleting that user is not a clean do-over.
Do not format a card you have not backed up. “Once formatted, the information on the microSD card cannot be recovered.” And if you do delete save data directly, “Once deleted, save data cannot be recovered.”
If You Have a Nintendo Switch 2
One important difference before you reuse an old card: on Switch 2, captures “can only be saved or copied to a microSD Express card”, not the ordinary microSD cards that worked on the original Switch. Check the card type before you buy.
Frequently Asked Questions
Will a microSD card fix a full Nintendo Switch?
For games, updates, DLC and screenshots, yes. For save data, no — Nintendo says save data cannot be copied to a card.
Does archiving a game delete my progress?
No. Nintendo states save data is unaffected whether you archive or delete, so you can pick up where you left off after redownloading.
Can I use an external hard drive on Switch?
No. Nintendo says external USB hard drives are not currently supported.
What is the difference between archiving and deleting?
Archiving frees the space but leaves the icon on the HOME Menu so you can reinstall in one tap. Deleting removes both.
Do I need a microSD Express card?
Only for Switch 2. Ordinary microSD cards remain fine on the original Switch family.
More Switch guides: how to screen record and where clips are stored, fixing Switch Wi-Fi problems, and what the Switch 2 hardware changed.
Published 17 September 2026. Storage behaviour, menu names and the microSD rules are quoted from Nintendo’s current support articles rather than written from memory. Accurate as of 17 September 2026.
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