.ERX File Extension
Entity Relationship Data Model File
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What is an ERX file?
An ERX file contains an "Entity Relationship" data model, which is a diagram that details the relationships between components of data in a database. It is used by various database software to design the structure of a database.
More Information
Various programs may be used to create ERX files including erwin Data Modeler, Microsoft Dynamics, and Microsoft Visio. To create an ERX file with Microsoft Dynamics AX, click Tools → Reverse Engineer and select ERX ER Data Model. To create an ERX file with Visio, click File → Save As and choose the ERX format type.
Programs that open ERX files
Windows