This feature is used to move a batch of sessions to another hard drive than the one that POSM is presently on. The media will still be available to review in reports. Check the sessions that need to be archived and press Archive Media to Folder button. A window will pop up asking for where the location for the new folder should be. Select the location and press Save. It may take some time to process depending on the amount of media being moved and the speed of the network and servers.