MediaMover is one of the most useful tools you can have for your Avid editing
system. It is a utility specifically designed to make media file management easier and system performance faster.
Here's how it works. MediaMover first searches your online media and analyzes each individual media file to determine what project it was digitized under. As this information is retrieved from the online media, a list of the project names the media is associated with is built. Now media files can be sorted
by their project name into separate folders on each volume.
The illustration below shows how MediaMover sorts each projects' media into separate folders.
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MediaMover found four projects after searching the media file folders on this system - “Music Video”, “Drama Episode 1”, “Car Commercial” and “Corporate Video”.
MediaMover then created separate media folders for each of the four projects and moved all of the related media files into them. In this case, all four projects’ media files were moved, but MediaMover could, just as easily, have moved only a single project or any combination of the four projects media.
Since the Avid software only looks in specific locations for media files, the moved media files are now effectively hidden from the Avid application and considered offline. The message Offline Media will be displayed in your Avid application whenever the Master Clips belonging to the relocated media are accessed until they are moved back online using MediaMover's Move Online function.

How MediaMover Works