File extension Details of MDF, MDF, MDC, MFO, MDT, MXD, MAT, MDB, MGC

Name:	MDF
File Type:	Measurement Data Format File
Popularity:	3
Category:	data
File Description:	Standard file format used by the automotive industry for storing measurement data; contains raw measurement data from a measurement and the metadata necessary to interpret the raw data.
Open Programs:	Windows Vector CANape, CANgraph, and CANdito Vector MDF Validator (for validating MDF files)

Name:	MDF
File Type:	SQL Server Database File
Popularity:	3
Category:	data
File Description:	Primary database file format used by Microsoft SQL Server, an enterprise-level database program; used for database files installed with SQL Server and related add-ons; custom MDF files may also be created by the user.
Open Programs:	Windows Microsoft SQL Server

Name:	MDC
File Type:	Multi Dimension Cube File
Popularity:	3
Category:	data
File Description:	Stores multi-dimensional "cube data" used by Cognos business analytics software; organizes information into various dimensions, which allows data to be retrieved and processed quickly and efficiently; also referred to as a PowerPlay cube.
Open Programs:	Windows Cognos software Linux Cognos software

Name:	MFO
File Type:	Perl ModInfo Descriptor File   (Most common)
Popularity:	3
Category:	data
File Description:	XML file containing metadata about one or more objects within a Perl module; created by running a Perl module through the modinfo2xml.pl processor; used by ModInfo, a Perl interface definition system. MFO files must be stored in the same directory as the Perl module (.PM) file in order to be read by ModInfo.
Open Programs:	Mac OS Perl with ModInfo installed Windows Perl with ModInfo installed Linux Perl with ModInfo installed

Name:	MDT
File Type:	Access Database Template
Popularity:	3
Category:	data
File Description:	Template used by Microsoft Access for creating new databases; the master template, which can be modified, is named "normal.mdt"
Open Programs:	Windows Microsoft Access

Name:	MXD
File Type:	ArcGIS Map Document
Popularity:	3
Category:	data
File Description:	Map file format used by ESRI mapping software, such as ArcMap; saved in a compound format that includes the map description, layout, and embedded objects saved in the map; organized into units called storages and streams. NOTE: MXD map files may grow in size after being saved multiple times because they can become fragmented; saving a fragmented map document as a new document may reduce its file size.
Open Programs:	Windows ESRI ArcGIS Desktop or ArcMap Telcordia Network Engineer

Name:	MAT
File Type:	MATLAB Variables Binary File
Popularity:	3
Category:	data
File Description:	Binary data container format used by MATLAB; may include arrays, variables, functions, and other types of data; can be saved in different formats by choosing a version within the MATLAB Preferences (select General->MAT-Files). Level 4 MAT-Files support two-dimensional matrices and character strings, while Level 5 MAT-Files include additional support for multidimensional numeric arrays, character arrays, cell arrays, sparse arrays, objects, and structures. MAT-files may also be used to represent audio in 64-bit floating point, 16-bit signed integer, and 8-bit unsigned integer formats.
Open Programs:	Mac OS The MathWorks MATLAB Windows The MathWorks MATLAB FMJ-Software Awave Studio

Name:	MDB
File Type:	Microsoft Access Database
Popularity:	5
Category:	data
File Description:	Database file created by Microsoft Access, one of the most widely-used database programs; contains database content as well as tables, forms, queries, etc. Included with some Microsoft Office software packages, but only available for Windows.
Open Programs:	Windows Microsoft Access

Name:	MGC
File Type:	MGCSoft Equation Illustrator File
Popularity:	3
Category:	data
File Description:	Main data file saved by MGCSoft Equation Editor/Illustrator, a program for writing out complex mathematical equations.
Open Programs:	Windows MGCSoft Equation Illustrator

Name:	MEX
File Type:	Macro Express File
Popularity:	3
Category:	data
File Description:	Macro created with Macro Express, a macro creation tool for Windows; includes scripts and commands that can be used to automate common tasks within the Windows operating system and various programs.
Open Programs:	Windows Insight Software Solutions Macro Express