Any video you captured through Sony XDCAM, Panasonic DVCPRO P2 and canon XF is of .mxf video file format. It is used by good camcorders like Panasonic P2 502, HVX200, Sony XDCAM and Canon XF300/XF305 to store audio, video and programmed data. There is a format called, MXF file is the container format (like AVI) for the swap over of program material between tap streamers, servers and to digital archives mostly and usually used in the chain of media production, distribution, editing and storage.

Material eXchange Format or MXF is a container format just like the AVI format for the professional audio and video media defined by the group of SMPTE standards. It is fairly effective at exchange of IMX material and used by many professional camcorders such as Panasonic DVCPRO P2, Sony XDCAM, Panasonic P2 502, Panasonic AVCCAM, Panasonic P2 HD, HVX200, Canon XF300/XF305, and Sony PMW-EX1/EX3/800/VX10/350K and many more to keep the audio, video and any programmed data. 

MXF file can easily be accessed and supported to edit by any video editing programs such as Adobe Premiere Pro, Adobe After Effects, Apple Final Cut Pro via XDCAM Transfer, Avid and many more. But it is not supported by some basic editing programs iMovie and Windows Movie Maker and is inaccessible by many video players and portable players. 

MXF video is produced by the high end camera and camcorder such as Sony XDCAM, Panasonic P2 MXF, HVX200, Canon C300/XF300/XF305, and etc. MXF video file are not opened and edited on various vidoe editing software like Adobe After Effects, Adobe Premiere Pro, Sony Vegas, Pinnacle Studio, Windows Movie Maker and Avid Media Composer, Apple Final Cut Pro, Final Cut Express, iMovie, etc. MXF or Material eXchange Format is a contain format aimed at the interchange of audio or video material with metadata and associated data.

MXF file or Material eXcahnge Format is the file formats that are targeted for interchanging the audio-visual material with associated data and metadata.  The file formats are the output of videos footage recorded by high definition camcorders such as Sony XDCAM, Canon XF, Panasonic P2 camcorders. However these MXF files does not support and cannot be edited with the help of professional video editing software like Sony Vegas, Adobe Premiere Pro, Windows Movie maker, Apple Final Cut Pro, Final Cut Express and many other player.