Reply to: RE>TIFF conversions I believe that the Zeiss confocal software combines multi-channel data for each slice in a single tiff file. This is done within the rgb tiff format. regards, Murray Foster Applications Engineering, Training, Visualization Services ------------------------------------------------------------------ Address: Vital Images, Inc. Phone: 515/472-7726 505 North 4th Street Fax: 515/472-1661 Fairfield, IA 52556-2404 e-mail: [log in to unmask] ------------------------------------------------------------------