Cloud Storage & Office Suites · reliability comparison
Microsoft 365 vs Sync.com: which is more reliable? (2026)
Microsoft 365 is more reliable than Sync.com, scoring 100.0 vs 82.1 out of 100. Over the last 90 days Microsoft 365 reported 0 incidents and Sync.com reported 1, with effective uptime of 100% and 99.82% respectively.
Data updated Nov 1, 2026 · How we score
| Metric | Microsoft 365 | Sync.com |
|---|---|---|
| Reliability score | 100.0 | 82.1 |
| Rank (cloud storage & office suites) | — | #6 |
| Uptime (90 days) | 100% | 99.82% |
| Incidents (90 days) | 0 | 1 |
| Partial / major outages | 0 | 1 |
| Avg time to resolve | — | 7h 33m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Microsoft 365 and Sync.com differ
- Microsoft 365 reported no incidents in the last 90 days, while Sync.com reported 1.
- Sync.com had 1 partial or major outage, compared with 0 for Microsoft 365.
90-day uptime
Microsoft 365
Sync.com
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Microsoft 365 incidents
No incidents reported by Microsoft 365 in the last 90 days.
Recent Sync.com incidents
- Partial outageSep 9, 2026 · resolved in 7h 33m
Elevated Upload and Download Errorsofficial update ↗
Affected: Windows Desktop, Links, Control Panel, Android Mobile Client, Admin tools (Pro Teams), Events +3 more
Other cloud storage & office suites to consider
- Tresorit · #1 · 100% uptime
- SugarSync · #2 · 100% uptime
- ShareFile · #3 · 99.99% uptime
- Egnyte · #4 · 99.94% uptime
See the full most reliable cloud storage & office suites ranking →