.EDMX File

.edmx is ADO.NET Entity Data Model Designer File

Key Features: .EDMX File Extension

Features Description
File Extension .edmx
Format N/A
Created by Microsoft
Category Developer

What's on this Page

  1. How to open:
  2. How to convert:

What is an .EDMX file?

The edmx file is an XML file that defines an Entity Data Model (EDM), describes the target database schema, and defines the mapping between the EDM and the database.

The edmx file also contains information that is used by the ADO.NET Entity Data Model Designer (Entity Designer) to render a model graphically.

Files with edmx file extension are commonly used by Microsoft Visual Studio for entity data models.

How to open:

Use Visual Studio to open *.edmx files.

How to convert:

There is no way how to convert *.edmx files to other formats.
ADO.NET Entity Data Model Designer File - File openers


  1. Microsoft Visual Studio 2017




How to solve problems with EDMX files