Differences Between Exchange Online P1/P2


Plan 1

Exchange Online Plan 2

Secure and reliable business-class email with a 50 GB mailbox per user  All the features of  Exchange Online Plan 1

+ unlimited storage
+ hosted voicemail,
+ data loss protection.

Large mailboxes

Each user gets 50 GB of mailbox storage and can send messages up to 150 MB in size.

This feature is included This feature is included

Outlook support

Users can connect supported versions of Outlook to Exchange Online, so they can use the rich client application they already know.

 This feature is included  This feature is included

Web-based access

For web-client access, Outlook on the web provides a premium browser-based experience that matches the look and feel of the full Outlook client.

 This feature is included  This feature is included

Inbox management

Stay focused on the most important messages with Clutter, which applies machine learning to clean up your inbox and set up rules that match the way you work.

 This feature is included  This feature is included

Shared calendar and contacts

Compare calendars to schedule meetings and access collaboration features, including shared calendars, groups, the global address list, external contacts, tasks, conference rooms, and delegation capabilities.

 This feature is included  This feature is included


Every mailbox is protected with premier anti-malware and anti-spam protection via Exchange Online Protection.

 This feature is included  This feature is included

In-Place Archive

Keep your inbox clean by automatically moving old messages to an In-Place Archive.

 This feature is included  This feature is included

In-Place Hold

Use In-Place Hold to preserve deleted and edited mailbox items from users’ primary mailboxes and In-Place Archives.

 This feature is included

Unlimited storage

Take advantage of unlimited storage (100 GB of storage in the user’s primary mailbox, plus unlimited storage in the user’s In-Place Archive).

 This feature is included

Hosted voicemail

Take advantage of hosted Unified Messaging services that provide call answering, a dial-in user interface, and company automated attendant capabilities.

 This feature is included

Data loss prevention (DLP)

Control sensitive business data with built-in DLP policies based on regulatory standards such as PII and PCI, which help to identify, monitor, and protect sensitive data through deep content analysis.

 This feature is included

Compare Plans and Options

Microsoft 365 Addons

Kaspersky Security for Microsoft Office 365

    • AntiMalware Protection
    • Anti-Phishing Protection
    • Anti-Spam
    • Attachment Filtering

Datto SaaS Protection 

    • Backup for Exchange Online
    • Backup for Sharepoint
    • Backup for OneDrive