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To go to the export panel click the 
button. If ..mkv, .mov, .mp4, .asf, .flv or .avi file is opened in the utility, this button is disabled and looks like 
.
Overview
Content Tools
To go to the export panel click the button. If ..mkv, .mov, .mp4, .asf, .flv or .avi file is opened in the utility, this button is disabled and looks like .