• Communications, GPS
• universal 411 file viewer
• May 1, 2026

A `.411` file is usually a small thumbnail image created by older Sony Mavica digital cameras. Instead of storing the full photograph, it holds only a tiny preview version of the image, typically around 64×48 pixels. These cameras used floppy disks for storage, which were much slower and more limited than modern memory cards, so Sony included these small preview …