• Mac OS
• Mailserver
• Mainboard
• Makro
• Makroviren
• Malware
• Mbps (Mega bit pro Sekunde)
• MBR (Master Boot Record)
• Megapixel
• Metro UI
• Motherboard
• MP3 (MPEG Audio Layer 3)
• MPEG (Moving Picture Experts Group)
• MPEG-2-Encoder
• MPEG-Dateien
• MS-DOS (Microsoft Disk Operating System)
• Multiplikator
• Multitouch