ER1

AllFusion ERWin data
File type: Various data file
An er1 file extension is mainly related to CA ERwin Data Modeler data modeling utility. These er1 files store program data resources.
Found 2 different file type records with the same er1 filename suffix.
What is er1 file?
File type category:
Various data file
Date updated: October 18, 2017
The er1 file extension is used by CA ERwin Data Modeler, a data modeling product that enables you to visualize complex data structures, inventory information assets and establish enterprise-wide standards for managing data.
The er1 file contains program data resources.
How to open er1 file?
Use CA ERwin Data Modeler to open and work with *.er1 files.
How to convert er1 file?
Compatible tools may be able to export *.er1 files to other formats.
Suggested software to open er1 file:
Associated software actions with the er1 file
Software applications that handle other tasks involving er1 files:
CA ERwin Data Modeler (Microsoft Windows)
Visible Advantage data
File type category:
Various data file
Date updated: June 13, 2019
The er1 file extension is associated with the Visible Advantage software engineering and repository software for Microsoft Windows operating system.
The er1 file stores various data used for internal purposes of the Visible Advantage.
How to open er1 file?
Probably not meant to be accessed by the user.
How to convert er1 file?
Probably cannot be converted to anything else.
Suggested software to open er1 file:
Associated software actions with the er1 file
Software applications that handle other tasks involving er1 files:
Visible Advantage (Microsoft Windows)