ER1 File Extension

ER1 file extension is created by Computer Associates, also known as ERWin Entity Relationship Diagram. ER1 has been classified as Data Files. The format of this file type has not been determined yet. You can open ER1 files in Panic Coda 2 program.

ERWin Entity Relationship Diagram File Type

ERWin Entity Relationship Diagram File Type

Extension	.er1
Developer	Computer Associates
Popularity	Very Common Common Average Uncommon Rare 5.0 (44 Votes) Thank you for voting!Already voted, thanks!
Mime Type	mime-type/not.available
Default Program	Panic Coda 2
Category	Data Files
Format	Not Available
Updated	12/1/2024

What is a ER1 File Type?

Earlier, CA ERWin Data Modeler was known as AllFusion ERwin Data Modeler.

Free online ER1 Tools & Apps

We have also the free online .ER1 (ERWin Entity Relationship Diagram) file extension apps that can allow to view, edit, convert from to ER1, merge, split and compare the ER1 files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

ER1 Files Common Issues

There are few common issues with the ERWin Entity Relationship Diagram .ER1 File Extensions while opening the .ER1 files on Windows and MacOs, we have solution to those issues such as:

Can't Open ER1 Files?

1. You must have supported software programs installed for ERWin Entity Relationship Diagram on your system such as Panic Coda 2.
2. Associate default Panic Coda 2 Panic Coda 2 program for *.er1 (ERWin Entity Relationship Diagram) files.
   
   
   

   Associate ER1 Default Program on MacOs

   1. Click *.ER1 (e.g example.er1) file and click information -> Open With.
   2. In the programs list, click Panic Coda 2 Panic Coda 2 program Or other appropriate program that you want.
   3. Confirm Change for all... and Contine.
   4. A message will appear "This change will be applied to all files with .Panic Coda 2 extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related ER1 File Extensions

ER1 default file extension is .ER1 and other similer related extensions are:

All Platform Software Programs for ER1 File Extension

List of all softwares that can open the ER1 files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open ER1 File on Windows

	Software	License	Developer

Open ER1 File on Mac OS

	Software	License	Developer
	Panic Coda 2 000 for MacOs	Paid	Panic Coda 2

Open ER1 file on Linux

	Software	License	Developer

Open ER1 file on Web

	Software	License	Developer

Open ER1 file on iOS

	Software	License	Developer

Open ER1 file on Android

	Software	License	Developer

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About ER1 - ERWin Entity Relationship Diagram

Updated 12/1/2024

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