This is an additional frontend for MKVToolnix. This is a GUI for the extract functionality. So that with this, and MKVToolnix you can, via GUIs, split and join mkv files.
You should extract the files in this package into the folder where you installed MKVToolnix.
File size: 719,218 bytes, version: 2.2.9
MKVExtractGUI-2 was added to MovieCodec.com by Bjarne (08-30-2012).