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Microsoft Exchange Online

Microsoft Exchange Online's website

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.

All about pricing
PlanPriceWhat it gives you
Exchange Online (Plan 1)$450 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)$8100 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

All alternatives
  1. 1Jatheon Cloud logo

    Jatheon Cloud

    AndroidiOSWebAPI
    7.5From $60 a month
  2. 2Preservica logo

    Preservica

    Free planWebAPISelf-hosted
    6.8From $310 a month
  3. 3
    6.7From $5,000 a year
  4. 4

    Kerio Connect

    AndroidiOSWebAPI
    6.6
  5. 5MailStore Server logo

    MailStore Server

    WebAPISelf-hostedWindows
    6.6$259 one-time
  6. 6ArcTitan logo

    ArcTitan

    AndroidiOSWeb
    6.4