I just got a new computer, after my old one crashed. It has Windows 10 and Office 2010 Professional. I am unable to open any .mdi files. I searched the internet and found out this file type is no longer supported. Also saw a suggestion to custom load
an older version of Office, loading only the needed module. I had copies of both 2003 and 2007 MS Office however I cleaned out all my old software after receiving my new computer. I would appreciate any suggestions on how to open these documents. Thank
you,