If this is a printer configuration backup (less likely for an .mkv, but possible in IT environments using the "prbackup" prefix), it would typically be managed via command-line tools like PrintBRM .
backup : Indicates this is a redundant copy of a primary file, used for data safety or version control. prbackup ep 160.mkv
While Adobe Premiere Pro has added support for MKV in recent versions, older workflows often required converting these to MP4 or MOV for stable editing. How to Use or Open This File If this is a printer configuration backup (less
MKV (Matroska Video) . This is a highly flexible container format capable of holding unlimited video, audio, and subtitle tracks. How to Use or Open This File MKV (Matroska Video)
Use a versatile player like VLC Media Player or Elmedia Player , which natively handle MKV headers and multiple tracks.