What is a dm1 file and how do I open a dm1 file?
DM1 is a file created by ER/Studio, a program used for building large-scale databases. It saves a data model that describes the structure and relationships of the data to be stored. It is used for viewing the data model visually, as well as for assisting in the process of generating the final data model.
Relevant dm1 file links:How to open dm1 file on Youtube
How to open dm1 file on Wikipedia
How to open dm1 file on Microsoft.com