How to move pictures and other files to an SD card using your computer or Android phone

You can move pictures to an SD card using a PC, Mac, or Android phone, as long as you have the right card and equipment.

How to transfer screenshots from your Nintendo Switch to another device, so that you can edit or share them with others

There are two ways to transfer screenshots off the Nintendo Switch: with a microSD card, or through a Twitter or Facebook account.
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Nintendo Switch 2 Guide

Nintendo will repeatedly warn you that the Nintendo Switch 2 can only interface with MicroSD Express Cards, making the Nintendo Switch 2's MicroSDXC or SDHC cards incompatible, but this isn't 100% ...