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IT Abbreviations & Acronyms: Comprehensive Glossary

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There are currently 152 acronyms in this directory beginning with the letter M.
M
M&A
Mergers and Acquisitions
M&O
Management and Operations
M&S
Modeling and Simulation
M2M
Machine-To-Machine
M3U
Moving Picture Experts Group Audio Layer 3 Url
MAC
Mandatory Access Control, Media Access Control, or Message Authentication Code
MAC Address
Media Access Control Address
MAC Layer
Media Access Control Layer
MAD
Mobile Active Defense
MADE
Manufacturing Automation and Design Exploration
mAh
Milliampere Hour
MAID
Massive Array Of Idle Disks
Malware
Malicious Software
MAM
Mobile Application Management or Manager
MAN
Metropolitan Area Network
MAPI
Messaging Application Program Interface
MAU
Media Attachment Unit
MB
Megabyte
MBean
Managed Bean
MBone
Multicast Internet
MBps
Megabytes Per Second
MBR
Master Boot Record
MC
Mass Customization
MCA
Microsoft Connectivity Analyzer or Micro Channel Architecture
MCE
Microsoft Certified Educator
MCL
Mesh Connectivity Layer
MCM
Multi-Carrier Modulation
Mcps
Megachips Per Second
MCS
Manufacturing Control System
MCSA
Microsoft Certified Solutions Associate
MCSD
Microsoft Certified Solution Developer
MCSE
Microsoft Certified Systems Engineer
MCSE Private Cloud
Microsoft Certified Solutions Expert Private Cloud
MDAC
Microsoft Dynamic Access Control
MDB
Multidimensional Database
MDD
Model-Driven Development
MDI
Multiple Document Interface
MDI/MDIX
Medium Dependent Interface/Mdi Crossover
MDM
Master Data Management or Mobile Device Management
MDOP 2012
Microsoft Desktop Optimization Pack 2012
MDP
Multicast Dissemination Protocol
MDRAM
Multibank Dynamic Ram
MDX
Multidimensional Expressions
MEAP
Mobile Enterprise Application Platform
MEMS
Micro-Electromechanical Systems
MEO satellite
Medium Earth orbit Satellite
MEP
Manufacturing Extension Partnership
MES
Manufacturing Execution System
MESA
Manufacturing Execution System Association
MFA
Multifactor Authentication
MFC Library
Microsoft Foundation Class Library
MFP
Multifunction Peripheral
MFSK
Multiple Frequency Shift Keying
MFT
Managed File Transfer or Master File Table
MGCP
Media Gateway Control Protocol
MHM
Vmware Vcenter Multi-Hypervisor Manager
MHP
Multimedia Home Platform
MHz
Megahertz
MI
Major Incident
MIB
Management Information Base
MIC
Microwave Integrated Circuit
MICR
Magnetic Ink Character Recognition
Micro VM
Micro Virtual Machine
Microsoft DCA
Microsoft Directaccess Connectivity Assistant
Microsoft FIM
Microsoft Forefront Identity Manager
Microsoft UE-V
User Experience Virtualization
Microsoft USMT
User State Migration Tool
MID
Mobile Internet Device
MIDI
Musical Instrument Digital Interface
MIM
Mobile Information Management
MIME
Multi-Purpose Internet Mail Extensions
MIMO
Multiple Input, Multiple Output
MIPS
Million Instructions Per Second
MIS
Management Information Systems
MISO
Multiple Input, Single Output
MITM
Man in the Middle Attack
MLA
Mobile Location Analytics
MLC
Multi-Level Cell
MMC
Mobile-To-Mobile Convergence
MMDS
Multichannel Multipoint Distribution Service
MMI
Man Machine Interface
MMIS
Maintenance Management Information System
MMP
Multichassis Multilink Ppp
MMS
Multimedia Messaging Service
MMU
Memory Management Unit
MO
Magneto-Optical Drive
Mobile BaaS
Mobile Backend-as-a-Service
Mobile IPv6
Mipv6 or Mobile Internet Protocol Version 6
Mobile IT
Mobile Information Technology
Mobile VPN
Mobile Virtual Private Network
Moblog
Mobile Blog
MOF
Microsoft Operations Framework
MOL
Middle Of Life
MOLAP
Multidimensional Online Analytical Processing
MOM
Manufacturing Operation Management
MOOC
Massive Open Online Course
MOS
Mean Opinion Score
MOSFET
Metal-Oxide Semiconductor Field-Effect Transistor
MOSPF
Multicast Open Shortest Path First
MOSS
Microsoft Office Sharepoint Server
MOU or MoU
Memorandum Of Understanding
MOVE
Aruba'S Mobile Virtual Enterprise
MP3
Mpeg-1 Audio Layer-3
MPEG
Moving Picture Experts Group
MPI
Master Patient Index
MPIO
Multipath I/O
MPLS
Multiprotocol Label Switching
mPOS
Mobile Point Of Sale
MPP
Massive Parallel Processing
MPPE
Microsoft Point-To-Point Encryption
MPS
Master Production Schedule or Managed Print Services
MR-IOV
Multi-Root Iov
MRAM
Magnetoresistive Random Access Memory
MRI
Magnetic Resonance Imaging
Mrouter
Multicast Router
MRP
Manufacturing Resource Planning
MrSID
Multi-Resolution Seamless Image Database
MS-DOS
Microsoft Disk Operating System
mSATA SSD
Msata Solid-State Drive
MSAU
Multistation Access Unit
MSBF
Mean-Swap-Between-Failure
MSCMDM
Microsoft System Center Mobile Device Manager
MSCS
Microsoft Cluster Server
MSDS
Material Safety Data Sheet
MSE
Microsoft Security Essentials
MSP
Managed Service Provider
MSP Platform
Managed Service Provider Platform
MSRP
Message Session Relay Protocol
MSS
Managed Security Services
MSSP
Managed Security Service Provider
MSTSC
Microsoft Terminal Service Client
MT
Medical Transcription
MTBF
Mean Time Between Failures
MTO
Make To order
Mtops
Million Theoretical Operations Per Second
MTPOD
Maximum Tolerable Period Of Disruption
MTS
Microsoft Transaction Server
MTTR
Mean Time To Restore
MTU
Maximum Transmission Unit
MUA
Mail User Agent
MUD
Multi-User Dungeon
MULTICS
Multiplexed Information and Computing Service
MULTOS
Multiple Operating System
Mutex
Mutual Exclusion Object
MV
Machine Vision
MVA
Microsoft Virtual Academy
MVC
Model-View-Controller
MVMC
Microsoft Virtual Machine Converter
MVNO
Mobile Virtual Network Operator
MVP
Microsoft Most Valuable Professional
MVS
Multiple Virtual Storage
MX record
Mail Exchange Record

A quick reference guide for Information Technology (IT) related acronyms and abbreviations.

As a service to IT personnel everywhere (and also for ourselves) we’ve compiled a comprehensive list of IT-related acronyms and abbreviations.

Acronyms can be pronounced as words, like NASA and UNESCO; as individual letters, like FBI, TNT, and ATM; or as both letters and words, like JPEG (pronounced JAY-peg).

Abbreviations formed from a string of initials and usually pronounced as individual letters are more specifically called initialisms or alphabetisms.

No matter how you refer to these IT-related terms, please use our quick reference guide or search TechTerms.com to help decode the world of IT abbreviations and acronyms.

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