When exporting as .bmp , expand "Compatibility options" and check .

Navigate to the main directory where your game is installed.

Using a modern editor like Photoshop, GIMP, or Paint.net makes this process simple.

Here is a comprehensive guide to finding, creating, and installing "new" emblems for your guild. Technical Requirements for Emblems

Creators on platforms like DeviantArt often share 24x24 pixel icons that fit the RO aesthetic.