Is Steam Deck unable to format SD card? Learn how to correctly install and format an SD card on Steam Deck by following the instructions mentioned in this post.

How to install games on the Steam Deck via microSD card Once you’ve chosen a microSD card that will work for the Steam Deck, insert it into the Steam Deck and move on from there.

Change File System to NTFS Installing games on ASUS ROG Ally SD Card When you head on over to Steam or Battle.net, you’re going to need to select the new location for games to be ran from.