Microsoft 365 vs PrivOS
Microsoft 365 and PrivOS are both team communication tools aimed at small businesses and enterprise. Microsoft 365 costs less, from $1.99/mo versus $20/mo for PrivOS. Both have a free plan.
Word, Excel, Outlook, Teams and OneDrive in one subscription
Self-hostable team chat, lists, docs and sandboxed AI agents
| Pricing | Freemium · $2 | Freemium · $20 |
| Starting price | $1.99/mo | $20/mo |
| Free plan | Yes | Yes |
| Free trial | 30 days | — |
| Built for | Small businesses, Enterprise, Freelancers | Small businesses, Enterprise, Developers |
| Platforms | web, windows, macos, ios, android | web, linux |
| Country | US · 2011 | — |
| Rating | — | — |
Choose Microsoft 365 if
Businesses and households that depend on Word, Excel and Outlook and want email, storage, security and AI under one Microsoft account.
- Industry-standard file formats and the most capable spreadsheet in Excel
- Desktop apps remain more powerful than any browser-based rival
- Business Premium bundles security and device management at a fair price
Look elsewhere if: Browser-first teams that prefer lightweight docs and chat (Google Workspace, Notion or Slack fit better).
Choose PrivOS if
Small and mid-sized teams that want chat, lists, files and AI agents on infrastructure they control.
- Free self-hosted Community edition for up to 10 users
- Agents do not count toward the free user limit
- Bring your own or locally hosted LLMs
Look elsewhere if: Teams that want a proven, widely adopted chat or project tool with large ecosystems (Mattermost, ClickUp).
Microsoft 365 vs PrivOS pricing
Microsoft 365
- Microsoft 365 Basic$1.99/mo100 GB OneDrive and ad-free Outlook; no desktop apps or AI
- Personal$9.99/mo$99.99/year; 1 person, 1 TB, desktop apps with Copilot
- Family$12.99/mo$129.99/year; up to 6 people, 2 TB shared, Copilot for owner
- Premium$19.99/mo$199.99/year; Family plus extensive Copilot usage
- Business Basic$7/user/moAnnual commitment; web and mobile apps, Teams, 1 TB, email
PrivOS
- Community$0Self-hosted, free up to 10 users, bring your own LLM keys
- Starter$20/user/mo5,000 LLM credits/user, shared cloud; 10% off annually
- Professional$30/user/mo10,000 credits/user, workflow engine, audit log
- Enterprise$45/user/mo20,000 credits/user, min 50 users, DLP, SIEM, SCIM
- Custom EnterpriseCustomOn-prem or air-gap, $4/user licence plus services
Microsoft 365 · Key features
- Desktop, web and mobile versions of Word, Excel, PowerPoint and Outlook
- Copilot in Word, Excel, PowerPoint and Outlook on paid home plans
- OneDrive cloud storage from 100 GB up to 2 TB on home plans
- Teams chat, meetings and webinars on Business plans
- Exchange business email with custom domains and 50 GB mailboxes
- SharePoint intranet sites and document libraries for teams
Cons
- Plan and add-on licensing is confusing for small buyers
- July 2026 increase raised Business Basic and Standard prices
- Copilot usage limits and features vary by plan and region
PrivOS · Key features
- Rooms with channels, threads, direct messages and calls
- Smart Lists with Kanban and table views, 16 field types, XLSX import
- Versioned file storage on S3-compatible object storage
- Room-scoped AI agents in sandboxed containers with approval gates
- Bots reacting to 18 workspace event types, plus webhooks
- Connect no-code builder for multi-step AI workflows
Cons
- Community install supports Linux x86_64 only, no arm64
- Each extra custom agent is billed like a user seat
- Shown prices are a discounted rate below list price
Microsoft 365 vs PrivOS: FAQ
Which is cheaper, Microsoft 365 or PrivOS?
Microsoft 365 starts at $1.99/mo and PrivOS at $20/mo. Both prices are checked on the vendors' own pricing pages.
Do Microsoft 365 and PrivOS have a free plan?
Yes, both Microsoft 365 and PrivOS have a free plan; paid plans add more usage and features.