Thanks for the idea request. By MDF, do you mean a disc image, similar to an iso? Can you explain how you use these files? I believe the use case would be similar to using zip and gzip files, but want to make sure I'm understanding the request.
Would be interested to hear from the community if anyone else uses these types of files.
By .mdf I mean files that are typically used with Microsoft SQL server management studio. These are databases that you can attach and detach. In particular I'm looking at using Alteryx with Llamasoft, and Llamasoft models are .mdf files.