Microsoft Exchange Online
The facts below are what the maker publishes about Microsoft Exchange Online, checked and dated. Our editors have not written about it yet.
Plans and prices
From Microsoft Exchange Online's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Exchange Online (Plan 1) | $4 | 50 GB mailbox storage · messages up to 150 MB · no device limit · $4.00 user/month, paid yearly (annual subscription—auto renews) |
| Exchange Online (Plan 2) | $8 | 100 GB mailbox storage · messages up to 150 MB · 1.5 TB archive · $8.00 user/month, paid yearly (Annual subscription—auto renews) |
The facts
Each one read from Microsoft Exchange Online's own pages, with the date it was checked.
What it does
- Administration
- Organizations can manage Exchange Online through the web-based Exchange admin center.checked 11 Oct 2026
- Business use
- Microsoft describes Exchange Online as a hosted email service and messaging solution for business users.checked 11 Oct 2026
- Compliance
- Exchange Online supports litigation holds, inactive mailboxes, data loss prevention, auditing, retention policies, and message encryption.checked 11 Oct 2026
- Data safeguards
- Microsoft says data loss prevention capabilities help prevent users from mistakenly sending sensitive information to unauthorized people.checked 11 Oct 2026
- Mobile security
- Mobile device policies can enforce PIN locks and remove company data from lost phones.checked 11 Oct 2026
- Outlook integration
- Microsoft says Outlook integration provides a familiar email experience with offline access.checked 11 Oct 2026
- Purpose
- Exchange Online is hosted email for business, with email, calendar, and contacts accessible across major browsers and devices.checked 11 Oct 2026
- Reliability
- Microsoft states that Exchange Online has a financially backed 99.9% uptime service level agreement.checked 11 Oct 2026
- Spam and malware protection
- Built-in security capabilities include anti-malware and anti-spam filtering for mailboxes.checked 11 Oct 2026
- Support
- The Exchange Online product page states that IT-level phone support is available 24 hours a day, 7 days a week.checked 11 Oct 2026
The company
- Founded
- 1975checked 23 Sep 2026
- Headquarters
- Redmond, Washington, United Stateschecked 23 Sep 2026
Money
- Free plan
- Nochecked 20 Sep 2026
- Plan 1 limit
- Plan 1 includes a 50 GB mailbox and supports messages up to 150 MB.checked 11 Oct 2026
- Plan 2 features
- Plan 2 adds built-in data loss prevention and Cloud Voicemail services with call answering, dial-in UI, and an automated attendant.checked 11 Oct 2026
Alternatives to Microsoft Exchange Online
- 1

Jatheon Cloud
AndroidiOSWebAPI7.5From $60 a month - 2

Preservica
Free planWebAPISelf-hosted6.8From $310 a month - 36.7From $5,000 a year
- 4
Kerio Connect
AndroidiOSWebAPI6.6 - 5

MailStore Server
WebAPISelf-hostedWindows6.6$259 one-time - 6

ArcTitan
AndroidiOSWeb6.4
