Nintendo Switch can't access microSD Card what should I do now?

When I buy a new microSD card are the old data there?

Suppose your closet does not open anymore, so you get rid of the closet and buy yourself a new closet. Are your clothes still in there?

The card does not work but the data is still there. I just have to download some things again but I do not have enough memory

Lol it works again

Too soon looked forward to.

As I said, if the card is broken, all data is gone. You must also download the games again after inserting a new card