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Microsoft Office (now commonly sold as Microsoft 365) is the world’s most widely used productivity suite—covering core apps like Word, Excel, PowerPoint, and Outlook, plus cloud services for storage, security, and collaboration. Office is used everywhere from schools and households to global enterprises, largely because documents, spreadsheets, and presentations are the default “language” of work.
Over the past decade, Office shifted from a one-time software purchase to a subscription model (Microsoft 365). That change matters because Microsoft now reports Office adoption through metrics like consumer subscribers and commercial “seats,” while collaboration usage is often reflected through Microsoft Teams adoption.
Answer box: Microsoft ended FY2025 Q4 (June 30, 2025) with 89.0 million Microsoft 365 Consumer subscribers. Microsoft has also cited Microsoft Teams at 350+ million monthly active users (Feb 2025).
Microsoft Office Key Metrics (Latest Available)
| Metric | Latest figure (with year) | Source |
|---|---|---|
| Microsoft 365 Consumer subscribers | 89.0 million (FY2025 Q4, end of period) | Microsoft Investor Metrics (FY25 Q4) |
| Microsoft 365 Consumer subscribers (prior-year comparison) | 82.5 million (FY2024 Q4, end of period) | Microsoft Investor Metrics (FY24 Q4) |
| Microsoft Teams monthly active users (MAU) | 350+ million MAU (Feb 2025 statement) | Microsoft Tech Community (Feb 2025) |
| Microsoft 365 Commercial seat growth | 6% year-over-year (FY2025 vs FY2024) | Microsoft segment performance (FY25) |
| Outlook Mobile devices | 100+ million devices (historical statement) | Microsoft Pulse |
What’s Included in Microsoft Office (Microsoft 365)
Microsoft Office is best understood as a family of apps and services:
- Word: documents and writing
- Excel: spreadsheets, analysis, and modeling
- PowerPoint: presentations and visual storytelling
- Outlook: email, calendar, and contacts
- OneNote: note-taking and knowledge capture
- Teams: chat, meetings, calling, and collaboration
Microsoft 365 vs. Office 2024: What’s the Difference?
Microsoft sells Office two main ways:
- Microsoft 365 (subscription): apps + cloud services, ongoing feature updates, and added security/collaboration tools.
- Office 2024 (one-time purchase): “classic” Office apps with a single upfront payment and limited feature updates compared with subscriptions.
Microsoft’s official comparison: Microsoft 365 vs. Office 2024
Microsoft Teams: The Collaboration Engine Inside Office
Teams has become the default communication layer for many Microsoft 365 customers—combining meetings, chat, channels, file collaboration, and app integrations. Microsoft has cited Teams at 350+ million monthly active users, reflecting how central it is to modern “Office” usage.
Source: Microsoft Tech Community (Feb 2025)
Microsoft Office History (Quick Timeline)
- 1989–1990: Office launches and begins expanding across Word/Excel/PowerPoint.
- 2011–2013: Office 365 era begins, shifting toward subscriptions.
- 2017: Microsoft Teams becomes a core part of Microsoft 365 collaboration.
- 2024: Office 2024 launches as a one-time purchase option.
- FY2025: Microsoft 365 Consumer subscribers reach 89.0M at fiscal year end (June 30, 2025).
Notable Historical Microsoft Office Stats
- Microsoft 365 Consumer subscribers: 82.5M (FY2024 Q4) — Microsoft Investor Metrics
- Microsoft Teams MAU: 320M+ (Dec 2023) — Microsoft Teams Blog (Tech Community)
- Word installs on Android: 1B+ installs (reported Jul 2019) — The Verge
FAQ
How many people subscribe to Microsoft 365 (Office) at home?
Microsoft reported 89.0 million Microsoft 365 Consumer subscribers at the end of FY2025 Q4 (June 30, 2025).
Source: Microsoft Investor Metrics (FY25 Q4)
How many people use Microsoft Teams?
Microsoft has cited Microsoft Teams at 350+ million monthly active users (Feb 2025 statement). Older Microsoft reporting cited 320M+ MAU in December 2023.
Source: Microsoft Tech Community (Feb 2025)
|
Source: Microsoft Teams Blog (Dec 2023)
What’s the difference between Microsoft 365 and Office 2024?
Microsoft 365 is a subscription with ongoing feature updates and cloud services. Office 2024 is a one-time purchase of classic Office apps with fewer ongoing feature updates.
Is Microsoft Office available on mobile?
Yes. Microsoft offers Office and Outlook experiences on iOS and Android. Microsoft has stated Outlook Mobile is used on 100+ million iOS and Android devices (historical statement).
How fast is Microsoft 365 growing?
In Microsoft’s FY2025 reporting, Microsoft 365 Commercial seat growth was cited at 6% year-over-year, reflecting continued expansion in paid commercial “seats” (users covered by a subscription).
