Tips to open MOS file

Can't open the MOS file? You are not the only one. Thousands of users face similar problems every day. Below you will find tips on how to open MOS files as well as a list of programs that support MOS files.

MOS file extension

File Name Leaf Camera RAW Format
File Developer Leaf Imaging
File Category Data Files

The MOS file is supported on 3 operating systems. Depending on your operating system, you may need different software to handle the MOS files. Below is a summary of the number of programs that support and open the MOS file on each system platform.

Operating systems
  • 6
  • 3
  • 1
  • 0
  • 0
  • 0

What is MOS file?

The file with the extension MOS is the Data Files file type. The author of this format is Leaf Imaging. Data Files consists of 1326 similar files. Leaf Camera RAW Format is most often found on 3 operating systems. Although it can be found with greater or lesser success on any operating system, it will only be useful on Linux, Mac OS, Windows. The main program that supports this format is Adobe Photoshop. This was created by Adobe Systems Incorporated. Alternatively, you can use 9 other programs. You can use ACDSee, PaintShop Pro, Phase One Capture One, Adobe Photoshop Camera Raw in case Adobe Photoshop cannot be used.

How to open MOS file?

The main problem with Leaf Camera RAW Format is that the MOS file is incorrectly associated with programs. This is manifested by the fact that MOS files open in unusual applications or do not have an assigned program. This problem can be easily remedied.

The first thing you should do is just "doubleclick" on the MOS file icon you want to open. If the operating system has an appropriate application to support it and there is also an association between the file and the program, the file should be opened.

Step 1. Install Adobe Photoshop

In this case, you should first verify that the Adobe Photoshop application is installed on the computer. The easiest method is to use the system search engine by entering the program name Adobe Photoshop in it. In the absence of an appropriate program, its installation in the vast majority of cases will fix the problem. Later in this article you will find a list of programs that can open MOS files.

Programs to open MOS file

Remember to download programs supporting MOS files only from verified and safe sources. We suggest using the websites of software developers.

Step 2. Create association of Adobe Photoshop with MOS files

If the application is or has been freshly installed, but the MOS file still does not use the Adobe Photoshop program, it means no association. The association can be created using the drop-down list available by right-clicking on the file and selecting Properties. Information about the file and the program that the file is associated with are available here. Using the "Change" button we can set the program to handle this type. It may happen that in the next window there will be no appropriate program - however, this can be corrected with the "Browse" option where you should manually indicate the program location. The "always use the selected program ..." field will set the Adobe Photoshop application as the default for handling the MOS file.

Step 3. Update Adobe Photoshop to the latest version

If, however, after binding Adobe Photoshop with Leaf Camera RAW Format there were still problems, you should update the program to the latest version. In this case, use the Adobe Systems Incorporated website or update the program from the application.

Step 4. Check for the following problems with the MOS file

The problem may also be with the file itself if the above steps don't work. This could be due to the file itself, the cleanest issues are:

Very often, the file may be size 0 or incomplete. Usually this applies to MOS files downloaded from the Internet in case the download did not finish properly. Downloading the file again should fix the problem.
The operating system may be infected with a computer virus. A quick virus scan using an up-to-date antivirus program should clear up any doubts. Some antivirus vendors also provide free online scanners. However, it is important to scan the entire system, not only the file MOS or the program directory. However, remember that not every infected MOS file can be recovered, so it is important to take care of regular backups.
Older version of MOS file may not always be supported by the latest software version. These problems are known and are often very easy to fix using the software developers's website.
The file may be corrupted in a number of ways. Repairing is very dependent on the file type. Some programs offer the ability to automatically repair MOS file corruption. The easiest way is to restore the file from a backup, if there is one, or contact Leaf Imaging
The program can also signal the fact of encryption. The encrypted MOS files can be used by the device on which they were encrypted, on any other device it is required to have the appropriate cryptographic key and decrypt the file before its recovery.
The operating system protects files in some locations (e.g. the root of the system partition) against unauthorized access. These directories are write-protected to them and it's very hard to fix this problem. If possible, you can try to move the MOS file to another location.
This can happen on a file that does not support multiple access. In this case, the MOS file is blocked by the first application to open it. Just close unnecessary programs. Sometimes you have to wait for the session to the file MOS to close. However, some background programs may block the MOS file while scanning. If nothing helps, please reset the device.