MPEG/MPG: a video file format offering excellent quality in a relatively small file, a family of standards used for coding audiovisual information for the internet, DVD and other storage media. It is the compression standard for SD (standard definition) DVD.
MOV: MOV is a file extension used by the QuickTime-wrapped files, can be created by a variety of video editing software. MOV is a container format and can contain video, animation, graphics, 3D and virtual reality (VR) content or text. It can be used for internet video, or as uncompressed format in editing.

VOB: a container format in DVD-media. It contains actual video, audio, subtitle, menu contents of a DVD. It is created usually by the authoring program.

AVI: a multimedia format introduced by Microsoft. AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback. It is usually found on internet video

WMV: is a compressed video format introduced by Microsoft. Originally it was mostly used for internet streaming. Its latest codec is one of the 3 video codecs in Blu-Ray discs.