I want runtime image file loading via file explorer using UMG button in Windows/MAC.Is it possible in Unreal Engine?
I’am in front of the same Challenge… From my researching there is no way to use the native OS Fileexplorer, at least not for Runtime purpose…
Rama made a Tutorial for a selfmade Treeviewer, take a look at my last comment here: Ingame UE4, OS File browser file - Rendering - Unreal Engine Forums
So I think with the Blueprint-Only approach there is no solution implemented in the Editor yet. Please let me know if you come to another solution.