.ER1 File Extension

ERWin Entity Relationship Diagram

Developer	Computer Associates
Popularity	3.2 \| 6 Votes

What is an ER1 file?

Entity relationship diagram created by ERWin, a data modeling program published by Computer Associates (CA); used for visualizing data structures and managing data complexities.

More Information

CA ERWin Data Modeler was previous known as AllFusion ERwin Data Modeler.

Programs that open ER1 files

Windows

CA ERWin Data Modeler

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