When backing up Blu-ray/DVD to MKV/MP4/MOV formats under Multi-track Video format category on Mac, you are free to select all of your needed tracks and subs to be preserved in the output file.
Preserve multiple audio tracks and subtitles streams It allows full preservation of all audio tracks, subs streams, chapter markers, and videos. Pavtube ByteCopy for Mac can directly package Blu-ray and DVD movie into an MKV container without any quality loss. Output multi track/subtitle MKV without quality loss
Pavtube ByteCopy for Mac allows users loading BDs directly from Blu-ray Disc and Blu-ray Folder, and importing DVDs directly from DVD disc, DVD Folder, DVD IFO File, and DVD ISO Image File. Load DVD/BD from disc, folder and IFO/ISO image file
