Office 365 Exchange Online Review

Rating: 9.4 / 10 (Excellent)
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Office 365 Exchange Online is Microsoft’s software-as-a-service that’s dedicated to Exchange and other Microsoft products. Founded in 1981, the company is based in Redmond, Washington, and does business all over the world. It has an A rating with the BBB.

How is Office 365 Exchange rated?


Features & Specifications
Reputation & Support

Overall Rating: 9.4 / 10 (Excellent)

The Office 365 suite includes Exchange Online, which incorporates all the security, reliability, and control features of a local Exchange server while minimizing maintenance costs and maximizing availability. Exchange Online also provides greater stability and redundancy with automatic patching and disaster recovery, as well as unlimited email and file storage with enhanced email features available for an additional fee. Office 365 is an ideal product for growing businesses and large enterprises looking to cut costs while receiving quality service, support, and free updates directly from Exchange's developers.

Features & Specifications

Key Details

Unlimited Storage
Storage Space
50GB per mailbox
Max Message Size
Exchange Server 2016
Uptime Percentage Guarantee
Supported Connections

Features & Specifications - 10 / 10

Office 365 Exchange Online offers the most extensive lists of features out there, allowing users tailor their solutions to their unique needs while ensuring communication with on-premises deployment or hybrid deployment options. Exchange Online also provides data loss prevention, a user-friendly Exchange admin center, and role-based access control to make delegating tasks quick and easy. Other excellent features are their Exchange archiving, large mailboxes, and retention policies that allow users to store all their sensitive data in a single location. Simplified and enhanced collaboration tools such as group inbox, calendar, and conversation are available across multiple devices, making teamwork efficient and cost-effective.

Productivity Features

  • Control Panel/ Dashboard
  • Blackberry Support
  • ActiveSync
  • Email Archiving
  • Email Disclaimer
  • Spam Filtering

Collaboration Features

  • Resource Mailbox
  • Calendar Sharing
  • Public Folders
  • Shared Contacts



  • Multi-Tenant Platform Security
  • Email Encryption
  • Security Policy Customization
  • Remote Device Wipe
  • Anti-Virus / Anti-Malware
  • Redundant ISPs


  • EU Safe Harbor Compliant
  • ISO 27001 Certified
  • SSAE 16 Type II Certified
  • SOC Type 2 Certified

Security - 10 / 10

Security features and certifications for Office 365 Exchange Online are at a similar high level. The suite helps protect user information with advanced features such as anti-malware and anti-spam filtering for emails, data loss prevention capabilities, globally redundant servers, disaster recovery options, and a team of security experts that monitor Exchange Online 24/7 to safeguard customer data. With a 99.9% uptime guarantee and a financially-backed SLA, clients can count on Exchange Online for round-the-clock email solutions.

How much does Office 365 Exchange cost?

Starting at $4.00
Price Structure
per user per month
Additional Features
Additional Fee
Security Features
Additional Fee
Additional Storage Space
Additional Fee

Pricing - 9.5 / 10

Microsoft offers two very affordable Exchange Online packages ranging from $4.00 to $8.00 per user per month and an Office 365 Business Premium option for $12.50 per user per month. All their plans come with a monthly or annual commitment, yet no quarterly options are currently available. The company provides unlimited storage with certain plans and one TB of storage and sharing with their Office 365 Business Premium option.


Supported Microsoft Apps

  • Outlook
  • Outlook Web App
  • Office
  • Lync
  • SharePoint

3rd Party Integrations

  • Skype for Business

Integrations - 9 / 10

Office 365 Exchange Online provides more or less average opportunities for integration, giving users a reliable business email solution that maximizes productivity through automatic patching, so clients don't have to waste time or effort maintaining their system. Their all-in-one solution also gives users an in-place archive to keep important data in a single location and provides access to email, calendars, and contacts on all major browsers across multiple platforms. Exchange Online integrates with Outlook, Lync, and Sharepoint, as well as Skype for Business.

Company Reputation & Support

Migration Support

Exchange Online supports several methods to migrate email, calendar, and contact data from your existing messaging environment to Office 365. Said options include IMAP migration through the Exchange Administration Center (EAC) or the Exchange Management Shell, cutover migration, hybrid deployment, staged migration, and third-party migration.


Year Founded
BBB Rating
Number of BBB Positive Reviews
Number of BBB Neutral Reviews
Number of BBB Negative Reviews
Trust Pilot Rating
1.4 out of 10
Date Collected

Reputation & Support - 8 / 10

Microsoft Corporation has an A rating with the Better Business Bureau and a composite score of 3.47 out of 5 stars based on 216 customer reviews. The vast majority of the reviews, however, are negative and Microsoft has failed to address them as yet. The same is true for the Trustpilot platform.

Contact & Additional Info

Homepage URL
Company Phone
(425) 882-8080
Headquarters Address
1 Microsoft Way, Redmond, WA, 98052

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Top Rated
Our Partner
9.4 / 10
  • Anti-malware, anti-spam protection
  • Mobile access, work anywhere, anytime
  • Flexible plans and pricing
  • Admin controlled access
  • Automatic patches
  • FastTrack, onboarding service provided by Microsoft professionals