Click the "Select File" button above, and choose your MOS file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert MOS to another file type
The converter easily converts your MOS file to various formats - free and online. No Capture One or or other Camera Raw software needed.
MOS to PS
MOS to ALIAS
MOS to PC2
MOS to PPMA
MOS to PI6
MOS to PDF
MOS to SCT
MOS to RAW
MOS to PGM
MOS to RPF
MOS to PI2
MOS to PS3
Convert a file to MOS
To convert other file formats to the "Digital Camera Raw Image" file type, you need software like Capture One or a similar tool.
About MOS files
The .MOS extension represents a frustratingly ambiguous filename that could be one of three very different things: a high-fidelity Leaf Camera RAW image, a FICO Xpress Mosel optimization model, or an Ericsson network management script.
If you are a photographer or archivist, you likely have a raw image from a legacy Leaf (now Phase One) digital camera back (e.g., Leaf Valeo or Aptus series). These files contain uncompressed sensor data and are often based on the TIFF structure but lack broad compatibility. They are huge, proprietary, and generally require specialized software like Capture One or Adobe Lightroom to open. You cannot upload them directly to social media or view them in standard web browsers.
Alternatively, in enterprise and telecom environments, a .MOS file is often a plain text script. It could be a Mosel model used by FICO Xpress Optimization for mathematical solving, or a Managed Object Shell script used to configure Ericsson radio networks. While these are technically human-readable text files, their obscure extension confuses operating systems, preventing you from double-clicking to open them.
Recommendation:
For Images (Leaf RAW): Convert to JPG or WebP for quick sharing and web use, or TIFF to preserve maximum quality for editing.
For Scripts (FICO/Ericsson): Convert to PDF for documentation and easy archiving, or TXT to edit them in any basic text editor without special software.
Use Convert.Guru to open and convert your MOS file.
Users also converted EPW, MSO, 16, 9, LIZ and RMR files.
FAQ
If you want to convert MOS file to RMR, you can use Capture One or similar software from the "Leaf RAW Image / Script" category. In the File menu, look for Save As… or Export….
To convert files to MOS, try Capture One or another comparable tool in the "Leaf RAW Image / Script" category.
The MOS Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our MOS converter.