There is only one file type that uses the .MOS extension:
Leaf Camera RAW File
RAW image captured by several different types of digital cameras, such as the Leaf Aptus series and Mamiya cameras; stores a digital image in an uncompressed format; can be opened and edited using some image-editing applications.
The MOS file format was developed by Leaf, a longstanding developer of digital cameras. Several Leaf cameras, including the Aptus series, are now developed by Leaf Imaging, which is a subsidiary of Phase One.
|ACD Systems ACDSee||Commercial|
|Adobe DNG Converter||Freeware|
|Adobe Photoshop Express for Android||Freeware|
|Adobe Photoshop Express for iOS||Freeware|
|Corel PaintShop Pro||Commercial|
|File Viewer for Android||Free+|
|File Viewer Plus||Free Trial|
|Microsoft Windows Photos||Bundled|
|Phase One Capture One||Commercial|
Updated: August 4, 2019