M365
Technology & Computing abbreviation · Software
| Stands for | Microsoft 365 |
|---|---|
| Categories | Technology & Computing |
M365 stands for Microsoft 365, a software abbreviation.
Microsoft's subscription bundle of Office apps such as Word, Excel, PowerPoint and Outlook, cloud services such as Exchange Online, OneDrive, SharePoint and Teams, and, in business plans, Windows licensing and device management.
Example: Your M365 license includes 1 TB of OneDrive storage and the desktop Office apps.
Usage notes
Office 365 launched in 2011; consumer and small-business plans were renamed Microsoft 365 in April 2020, and in 2025 the Office app itself became the Microsoft 365 Copilot app. Some enterprise plans still carry the O365 name. Microsoft raised consumer subscription prices in 2025 after adding Copilot AI features.
Related abbreviations
More software abbreviations
- KDE – K Desktop Environment
- KMS – Key Management Service
- l10n – Localization
- LGPL – GNU Lesser General Public License
- LTS – Long-term support
- LTSC – Long-Term Servicing Channel
- MIT – MIT License
- MPL – Mozilla Public License
- NLE – Non-linear editing
- OBS – Open Broadcaster Software
- OEM – Original equipment manufacturer
- OLE – Object Linking and Embedding