.ER1 File Extension

.ER1 File Extension

File Type

ERWin Entity Relationship Diagram

Developer Computer Associates
Popularity
2.8  |  5 Votes
Category Data Files
Format N/A

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

Windows
CA ERWin Data Modeler

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