With Filestar you get 0 different skills for working productively with Motion JPEG 2000 (.mj2) files.
About .Mj2
Name
Motion JPEG 2000
Extension
.mj2
Format
Binary
Category
Video
Developer
Joint Photographic Experts Group
Description
MJ2 is a video file in the Motion JPEG 2000 format, where every frame is a complete JPEG 2000 image inside an ISO base media file. It is used for archival and cinema workflows, including 12-bit digital cinema scans, and converts losslessly to FFV1 or frame images.