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ER1 File - What is an .er1 file and how do I open it?

Learn about .ER1 files and view a list of programs that open them.

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Overview

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.

Popularity3.2/5

6 votes

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DeveloperComputer Associates
Popularity3.2 | 6 Votes

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In-Depth

.ER1 File Extension

ERWin Entity Relationship Diagram

DeveloperComputer 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.

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Programs that open ER1 files

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CA ERWin Data Modeler

Category: Data Files

Updated: June 18, 2009

FAQ

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.

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