How to open ER1 file format? (ERWin Entity Relationship Diagram)
Problems with opening ER1 files occur very often among users. Unfortunately, not everyone is aware that the basic and usually the most common problem is the lack of an installed software to handle the ER1 file. Its full name is ERWin Entity Relationship Diagram and the company responsible for its development is Computer Associates. Your ER1 file has probably an encoded information from the Data Files category. If you want to view its contents, open, edit or convert the ER1 file to another format, install one of the applications from the list, which is presented below on this page. Can’t you still open your ER1 file? Please, visit er1 where you will find more information.
| Category | Developer/Producer | Software |
|---|---|---|
| Data Files | Computer Associates | ERWin Entity Relationship Diagram |
Programs using this file extension
Windows
– CA ERWin Data Modeler