if you want to output format is mkv, click the options button, selectoutput format as custom video muxer in the following dialog box. select custom video muxer as halli muatroska muxer, rename the output file extension as *.mkv. select other options like avi format, you can get mkv file.

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If you want to output format is mkv, Click the Options button, selectOutput Format as Custom video muxer in the following dialog box. select Custom video muxer as Halli Muatroska Muxer, rename the output file extension as *.mkv. Select other options like avi format, you can get mkv file.