.SPA File Extension
File Type 1MikuMikuDance Sphere Mapping File
What is an SPA file?
3D model effects file used by MikuMikuDance, a dance and rhythm synchronization game; saved as a .BMP image but uses the ".spa" extension instead; used for adding a shiny look to 3D model features such as hair or clothes.
NOTE: You can create a SPA file by drawing a Bitmap image (".bmp" file) with any graphics editor and renaming the extension to ".spa."
File Type 2Nintendo DS Particle File
.SPA File Association 2
Particle file used by Nintendo DS games, such as New Super Mario Bros. and Mario Kart; contains images used to illustrate particles, such as sand, dust, and sparks, for animations.
The SPA file is referenced by the game to illustrate splashing water, fire explosions, and other game actions. The file can also be edited to modify the appearance of the particles.