>> EDMX file

EDMX file format description

Many people share .edmx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .edmx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .edmx files.

1 filename extension(s) found in our database.

.edmx - ADO.NET Entity Data Model Designer Data

The EDMX development files are related to Microsoft Visual Studio. 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.

Microsoft Visual Studio
Development files
- / -
ADO.NET Entity Data Model Designer Data related extensions:
MegaZeux Board Data
MegaZeux World
Twig Template
F2PY Signature File
Microsoft Frontpage Website Template

Naturally, other applications may also use the .edmx file extension. Even harmful programs can create .edmx files. Be especially cautious with .edmx files coming from an unknown source!

Can't open a .edmx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


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 one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .edmx file extension is often given incorrectly!

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

dmx, edx, emx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Microsoft SQL Server Data Mining Extension
Edraw Max Document
eMusic Download File
IBM Rational Software Architect Model
Adobe Dreamweaver EDML File

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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