1. A method for recording a collaborative session, comprising: determining portions of a composite image of collaborative session content that are constant over time or preprocessed in a storable format; removing the portions from the composite image of the collaborative session content; compressing and storing remaining content of the composite image and any of the portions not already compressed on a storage media; decoding the remaining content of the composite image and the portions to reconstruct the composite image of the collaborative session content; and formatting the composite image for storage on a storage media.