Here is a super simple alternative to the default 3DS Max open-file window that displays favorite links on the left of the window like many other programs do. Credit goes to Bobo for his demonstrations of using DotNet in maxscript. I simply added some parenthesis and boxed it up to share.
Just drag the script into your 3DS Max viewport and it will be available as a toolbar button under the "OpenPlus" category. This now includes "Merge+" and "Import+" as well. Here's the difference between the two ways to open/merge/import files:
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Here's how to install and use it. Just drag the script into a viewport and make a button.

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