Microsoft Exchange Online
Microsoft Exchange Online: A broad hosted Exchange service for Microsoft-focused organizations with compliance and migration needs. Ranked #1 of 31 in Hosted Exchange by our editors (9.4/10); pricing: Paid; best for microsoft-centric businesses needing broad Exchange features.
At a glance
- Editor score9.4 / 10
- PricingPaid
- Best forMicrosoft-centric businesses needing broad Exchange features
- Free planNo
- Mailbox storage50 GB
- Founded1975 · Redmond, Washington, United States
- Facts checked20 Sep 2026
Where it wins
- Outlook access across web, desktop, and mobile platforms
- Shared mailboxes, archiving, migration tools, and Graph API access
- Plan 2 adds built-in DLP and up to 1.5 TB of archive storage
Where it doesn't
- There is no free plan
- Advanced storage and DLP features require Plan 2
- Some archive capabilities depend on licensing and administrator enablement
Our verdict on Microsoft Exchange Online
Microsoft Exchange Online is a cloud-hosted business email and calendaring service for organizations that need custom-domain email, Outlook access, mailbox administration, filtering, archiving, and compliance features. It suits Microsoft-centric businesses that want Exchange capabilities across web, Windows, macOS, iOS, Android, and API environments. Administrators manage users and mailboxes through the Exchange admin center, while users can access email, calendars, and contacts through Outlook and browsers.
The two paid plans create a clear storage and compliance distinction. Exchange Online (Plan 1) includes a 50 GB mailbox, custom business email, automatic spam and malware filtering, message policy and compliance features, an in-place archive, and Outlook integration. Exchange Online (Plan 2) increases the primary mailbox to 100 GB, adds up to 1.5 TB of archive storage, includes built-in data loss prevention, and supports 150 MB messages. Both plans retain filtering and message policy features, so the choice centers on storage, archiving, and DLP requirements rather than a basic versus premium product split.
Its ecosystem fit is a major strength for organizations already operating around Outlook and Microsoft administration. Exchange Online supports shared mailboxes, migration from Exchange Server, IMAP, PST files, and other email environments, plus Microsoft Graph API access for programmatic mailbox data access. That breadth makes it suitable for organizations consolidating email or building Microsoft-connected workflows. It is less suitable for buyers seeking a free option, a narrowly focused mail host, or advanced archive and DLP capabilities without moving to Plan 2 and configuring the relevant licensing and administration.
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Microsoft Exchange Online pricing
All 2 Microsoft Exchange Online plans and prices →
Microsoft Exchange Online fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Mailbox storage | 50 GB |
| Shared mailboxes | Yes |
| Outlook desktop support | Yes |
| Mobile access | Yes |
| Migration tools | Yes |
| Online archiving | Yes |
| Deployment | Cloud, Browser extension |
| Platforms | Web, Windows, macOS, iOS, Android |
| Support | Phone, Docs · 24/7 |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 2 integrations: Microsoft Outlook, Microsoft Graph |
| Pricing | Paid (source) |
| Website | microsoft.com |
| Facts checked | 20 Sep 2026 |
Microsoft Exchange Online integrations
Microsoft Exchange Online lists 2 integrations on its own site.
- Microsoft Outlook
- Microsoft Graph
Alternatives to Microsoft Exchange Online
- Apps4Rent Hosted ExchangeA low-cost hosted Exchange option with broad access, migration help, and flexible archiving.9.1
- OVHcloud Hosted ExchangeA practical Exchange mailbox service for teams that need core email and sharing features.8.9
- Mitol Hosted Microsoft ExchangeA paid Exchange service combining unlimited storage, migration help and a 99.999% availability SLA.8.7
See all Microsoft Exchange Online alternatives →
Microsoft Exchange Online vs the competition
- Microsoft Exchange Online vs Apps4Rent Hosted Exchange
- Microsoft Exchange Online vs OVHcloud Hosted Exchange
- Microsoft Exchange Online vs Mitol Hosted Microsoft Exchange
- Microsoft Exchange Online vs Switch2asp Hosted Exchange
- Microsoft Exchange Online vs Intermedia Exchange Email
- Microsoft Exchange Online vs Micron21 Hosted Exchange
Compare Microsoft Exchange Online with any tool side by side →
Also Ranked In
Microsoft Exchange Online is ranked in 7 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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