ERWin Entity Relationship Diagram
Computer Associates
Data Files
mime-type/not-avalible
10/25/2021
ER1 is the extension given to files that are used in 1 operating systems such as: Windows. The ER1 extension was originally developed for the CA ERWin Data Modeler application. This is a program taken by CA Technologies. In addition, the programs can be used to open files with the ER1 extension.
The structure of such files is typical of Data Files. 1326 file types are given the ER1 extension, but most often they are not compatible and you must use a different application to handle each of them. The format of this particular ERWin Entity Relationship Diagram file was developed by Computer Associates. The ERWin Entity Relationship Diagram file was most likely created using the CA ERWin Data Modeler program.
Here are the most important online tools related to ER1. They will help you use your ER1 file in the way you want. You can easily convert the file, preview its contents, or open and edit any ER1 file.
ER1 opener is one of the most used tools. Here you will find a way to open your unknown ER1 file. Opening the ER1 file is just the beginning. Other file operations can be the next step.
The ER1 Viwer tool helps to preview the contents of a file without the need to install dedicated software. Go to the subpage, select your ER1 file you want to view and our tool will show you what the file contains
If you cannot perform all the operations on the ER1 file, you can convert it to a different format. Converting the ER1 file will give you more options for editing the data in the file.
ER1 editor allows you to edit the data contained in the file. If you need to be able to edit the ER1 file as much as possible, then it is best to install special software designed for this purpose. Go to our editor to learn more about editing the ER1 file.
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