Home : File Types : ER1 File

.ER1 File Extension

File TypeERWin Entity Relationship Diagram

DeveloperComputer Associates
2.8 (4 Votes)
CategoryData Files

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
Updated 6/18/2009

About ER1 Files

Our goal is to help you understand what a file with a *.er1 suffix is and how to open it.

The ERWin Entity Relationship Diagram file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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