With Converter App, you can convert MXF files into many other formats:
MXF to MP4 | MXF to MP3 | MXF to MOV | MXF to WEBM | MXF to AVI | MXF to WMV | MXF to WAV | MXF to M4A
→ All MXF Converters
If you want to keep working with your final MKV, try:
MKV to MP4 | MKV to MP3 | MKV to MOV | MKV to AVI | MKV to WEBM | MKV to SRT | MKV to WMV | MKV to WAV
→ All MKV Converters