Files with the .MXML extension are associated with Adobe Flex technology. The MXML file contains source code in an XML-based language. This code defines user interface components for Flex applications. It can also define data exchange between an application and a server. Adobe Flex is an open source framework for web applications. Programs that can open the .MXML file are available.
The .mxml extension relates to MXML, an XML markup language for user interfaces. Macromedia introduced it in 2004. Developers combine MXML with ActionScript for Rich Internet Applications with Adobe Flex. MIME types are application/x-xhtml+voice+xml. The .mxml extension relates to an XML language by Macromedia, later Adobe Systems.
Below are tips on opening .MXML files and programs that support them. .MXML files associate primarily as Developer Files. Windows, Mac, and Linux can view .MXML files. Both desktop and mobile devices can view and sometimes edit these files. These files have a low popularity rating, meaning they are uncommon on hard disks. That covers the key details on .MXML file types.