Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .edmx

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .edmx file?
  • Which program can create the .edmx file?
  • Where can you find a description of the .edmx format?
  • What can convert .edmx files to a different format?
  • Which MIME-type is associated with the .edmx extension?
ADO.NET Entity Data Model Designer Data .edmx file icon

ADO.NET Entity Data Model Designer Data

EDMX file is an ADO.NET Entity Data Model Designer Data. The Entity Data Model Tools are designed to help you build Entity Framework applications. The tools generate or modify an .edmx file, which contains information that describes the conceptual model, the storage model, and the mappings between them.
Category: Development files
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

Other types of files may also use the .edmx file extension. If you have helpful information about .edmx extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Microsoft SQL Server Data Mining Extension
Adobe Dreamweaver EDML File
Edraw Max Document
eMusic Download File
Statistical Data and Metadata eXchange Dataset

The .edmx filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

emx (1), edm (1), sdmx (1), edx (1), dmx (1)

Can't open a .edmx file?

If you want to open a .edmx file on your computer, you just need to have the appropriate program installed. If the .edmx association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.edmx

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android