| .msha |
Microsoft Help Asset File |
| .mega |
Megacubo XML Metafile |
| .msl |
Mapping Specification Language File |
| .mxcs |
Mandelbrot Explorer Color Scheme File |
| .mxfr |
Mandelbrot Explorer Fractal Region File |
| .mission |
Vega Strike Mission File |
| .mmcollection |
Mail Manager Collection File |
| .mfcribbon-ms |
MFC Ribbon Definition XML File |
| .mxliff |
Memsource XLIFF Localization File |
| .mdq |
Transformation Extender Database Definition File |
| .mars |
Adobe MARS File |
| .msh1xml |
Monad Display Configuration File |
| .nzb |
NewzBin Usenet Index File |
| .ntp |
Natron Project File |
| .ncx |
EPUB Navigation Control XML File |
| .nps |
Natron Node Presets File |
| .ndl |
Lotus Notes Doclink File |
| .nessus |
Nessus Network Security Scanner File |
| .nl2script |
NoLimits 2 Script File |
| .nuspec |
NuGet Specification File |
| .nml |
Traktor Collection File |
| .nuproj |
NuGet Build Project |
| .natvis |
Natvis VC++ Debugger Visualization File |
| .nmp |
NewsMaker Project File |