Convert mic to pnm Online: mic2pnm

You can use Tom's Editor to easily convert images from
Movie Maker Background .MIC to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

MIC

Movie Maker Background is an image format with extension MIC.

PNM

PNM images are uncompressed 24 bit RGB images. Can cannot store Alpha channel. PNM images come in 2 types: binary and text. Especially popular on Linux.