.ER1 File Extension

ERWin Entity Relationship Diagram

Developer Computer Associates
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.

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Programs that open ER1 files

CA ERWin Data Modeler

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