.EMI File

File extension emi appears to be mainly associated with Pocket Tanks, the ultimate one-on-one artillery game, by BlitWise Productions LLC.

This particular .emi file type is used for emitter data files for Pocket Tanks.

How to open:

This type of .emi files is accessed by the game automatically, you cannot open it manually.

How to convert:

It seems unlikely that this file type can be converted to anything else.