Head-to-Head Comparison
Microsoft 365 vs ONLYOFFICE
Detailed side-by-side analysis of features, pricing, pros, and trade-offs.
Microsoft 365 wins overall
Twinover Score 9.3/10 versus 8.1/10 — 1.2 points clear of ONLYOFFICE.
- Best value: ONLYOFFICE costs less to start (free · paid from $20/mo)
- Why Microsoft 365: Full desktop Office apps
- Pick ONLYOFFICE if: best ms office file fidelity of the open suites matters most to you
Pricing last checked Sep 19, 2026.
Microsoft 365
From $6/mo
Twinover Score
9.3
out of 10
Twinover Verdict
Microsoft 365 leads overall by 1.2 points.
Based on pricing value, workflow efficiency, and reliability.
ONLYOFFICE
Free · paid from $20/mo
Twinover Score
8.1
out of 10
Feature and pricing breakdown
Specification
Pricing Model
subscription
freemium
Twinover Score
Twinover Score
9.3
out of 10
Twinover Score
8.1
out of 10
Pros
- Full desktop Office apps
- 1TB OneDrive per user
- Enterprise compliance tooling
- Best MS Office file fidelity of the open suites
- Self-hostable
- Per-server pricing
Cons
- Complex licensing
- Teams can be heavy
- Self-hosting needs ops work
- Mobile apps are basic
Where to get each option
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Frequently asked questions
- Is Microsoft 365 better than ONLYOFFICE?
- Microsoft 365 scores higher on Twinover (9.3/10 vs 8.1/10). Microsoft 365 stands out for Full desktop Office apps and 1TB OneDrive per user, while ONLYOFFICE is worth picking when best ms office file fidelity of the open suites matters more.
- Which is cheaper, Microsoft 365 or ONLYOFFICE?
- ONLYOFFICE has the lower entry cost — its plan is freemium. Open-source office suite with excellent OOXML fidelity; self-host free or Docs Cloud from $20/mo.
- What are the main drawbacks of Microsoft 365 and ONLYOFFICE?
- Microsoft 365: Complex licensing, Teams can be heavy. ONLYOFFICE: Self-hosting needs ops work, Mobile apps are basic.
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