.IEFS File

The IEFS file extension is related to some very rare and now probably obsolete Bitmap Image Exchange format.

MIME: image/ief

How to open:

Currently there is no specific information available, about how to open this bitmap file type. For general information try to look at:Basic info how to open bitmap images

How to convert:

There is no specific information in the database, about how to convert this file extension. For general information try to look at:Basic info how to convert bitmap files