«Number» file extensions

File extensions starting with a number

66

66

Pro/ENGINEER Versioned File
669

669

Winamp media file
67

67

Pro/ENGINEER Versioned File
68

68

Pro/ENGINEER Versioned File
6pj

6pj

SIXNET IO Tool Kit Project
6sc

6sc

7

7

Pro/ENGINEER Versioned File
72

72

Pro/ENGINEER Versioned File
726

726

73

73

Pro/ENGINEER Versioned File
75

75

Pro/ENGINEER Versioned File
76

76

Pro/ENGINEER Versioned File
77

77

Pro/ENGINEER Versioned File
78

78

Pro/ENGINEER Versioned File
79

79

Pro/ENGINEER Versioned File