Definition: extension 0-9

File extensions that begin with a digit.

 Ext.  Type of file

 2D    VersaCAD 2D drawing

 3DS   3D Studio
 3GP   3G cellphone multimedia (UMTS)
 3G2   3G cellphone multimedia (CDMA2000)

 7z    7zip compressed archive

 8B?   Photoshop plug-in (?=misc letters)

 906   Calcomp plotter