3.mkv Here

This process is generally called , which combines the data streams into a new container without re-encoding, ensuring no loss in video or audio quality. 1. Merging Files with MKVToolNix

Open MKVToolNix GUI and drag your first file (e.g., 1.mkv ) into the "Source files" section. This process is generally called , which combines

The standard community recommendation for this task is using the MKVToolNix GUI . It is specifically designed to handle the Matroska format . This process is generally called