What to do When MOB Files Won’t Open

Why won’t your MOB file open? You’ve tried double-clicking it, but it doesn’t come up, or you see an error message. So what do you do? This is a common issue with various file extensions because many extensions can be opened by multiple programs, and many programs can open a variety of extensions. It sounds confusing, but it's a lot easier to understand than you might think!

Which program should you use?

Your computer may be trying to use the wrong program to open the MOB file, or it may not have a program installed that can open the file. There are a few different programs you can use to open MOB files, including Device Definitions, and Master of Orion 3. Try downloading one or more of these from the manufacturer’s website.

What type of file is it?

The file type is the key to opening MOB files. MOB files are usually considered Video Files. You may already have a program on your computer that can open this type of file.

If the file type is unknown, you can find it in the file properties by following the steps below.

Computer Files
Windows:
  1. Right-click the file and click “Properties”.
  2. Look under “Type of File” for the file type.
Mac:
  1. Right-click the file and click “Properties".
  2. Look under “Kind” for the file type.

Who developed the software?

If you can’t find the right program to open your MOB file, a software developer might be able to help you. Contact the developer of one of the most common programs for MOB files from the list below.

Software Developer
Device Definitions is developed by Microsoft Programmer
Master of Orion 3 is developed by Unknown


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