The USB drive will show up directly into the files app, and you can directly import them into apps like Adobe Lightroom. Thankfully, the iPads will also support zipping and unzipping folders so you don’t have to uncompress files on your Mac or PC and then plug in the thumb drive. There’re no details on what’s the maximum size of a USB drive the iPadOS can handle, but we’ll update the post once we have the details.
