This is a Matroska Video container. It is widely used because it can hold multiple audio tracks and subtitle streams in a single file.
If the file fails to play or stutters, it may be corrupted. Tools like Wondershare Repairit are often used to fix damaged MKV containers. prbackup ep 98.mkv
Interestingly, MKVToolNix v98.0 is a popular software version used to create and edit MKV files. It is possible the "98" in your filename refers to a file processed or created using this specific software version. How to Review the Content This is a Matroska Video container
The prefix "pr" often stands for "Private" or "Personal," indicating this is the 98th episode of a personal project or archived stream. Tools like Wondershare Repairit are often used to
Since this is likely a private or niche file, you can "review" its contents by using standard media tools: