What is a mex file and how do I open a mex file?

The macros that are created using the Macro Express application are called MEX files and are used as Macro Express Files, categorized as data files, developed by Insight Software Solutions. MEX files refer to the scripts and commands necessary for the automation of the common tasks to be performed on Windows operating systems and other programs. Macro Express uses MEX files to perform macro utility tasks wherein macro refers to the tasks regularly performed and executed using actions and commands, allowing users to perform more productive and less stressful tasks. Keystrokes or mouse strokes are stored in MEX files and this allows MEX files to act as shortcuts to perform a certain task. MEX files are also used by Macro Express to save these macro commands. Macro Express can be used to open MEX files. This application is run on Windows OS for the recording, editing, and playing back macros. 

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