Compare Office 365 Exchange Online P1/P2 Plans

exchange-online-p1-p2

Office 365 Exchange Online Plans Comparison

Microsoft Exchange Online is a hosted email, calendar, contacts and tasks solution that delivers the capabilities of Microsoft Exchange Server as a cloud-based service. Exchange Online is essentially based on Microsoft Exchange Server, hence it supports most if not all features of on-premise Exchange Server including full integration with Active Directory, group policy support, and familiar messaging experience across various forms of PCs, computers, The Web, smartphones and mobile devices.

Exchange Online is one of the product under the umbrella of Office 365, and it’s included in many Office 365 plans that include email service. Exchange Online is also available for subscription on a standalone basis for users who just need a hosted Exchange service without other unnecessary add-ons.

As a standalone SKU, Exchange Online has three plans available, namely Exchange Online Plan 1, Exchange Online Plan 2 and Exchange Online Kiosk. All Exchange Online plans can have an unlimited number of users. The table below describes the differences and comparison between features and functionality available in each different plans.

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Office 365 SKUs & Plans Inclusion
  • Office 365 Business Essentials
  • Office 365 Business Premium
  • Office 365 Enterprise E1
  • Office 365 Government E1
  • Office 365 Enterprise E3
  • Office 365 Education E3
  • Office 365 Government E3
  • Office 365 Enterprise E4
  • Office 365 Education E4
  • Office 365 Government E4
  • Office 365 Enterprise K1
  • Office 365 Government K1

Planning and Deployment

Exchange Online Plan 1
Exchange Online Plan 2

Exchange Online Kiosk

Hybrid deployment supportedoffice 365 tickoffice 365 tickoffice 365 tick
IMAP migration supportedoffice 365 tickoffice 365 tickoffice 365 tick
Cutover migration supportedoffice 365 tickoffice 365 tickoffice 365 tick
Staged migration supportedoffice 365 tickoffice 365 tickoffice 365 tick
Permissions

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Role-Based Permissionsoffice 365 tickoffice 365 tick
Role Groupsoffice 365 tickoffice 365 tick
Role Assignment Policiesoffice 365 tickoffice 365 tick
Message Policy and Compliance

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Archiving Exchange Online-based Mailboxesoffice 365 tickoffice 365 tick
Cloud-Based Archiving of On-Premises Mailboxes
Retention Tags and Retention Policiesoffice 365 tickoffice 365 tickoffice 365 tick
Encryption of data at rest (BitLocker)office 365 tickoffice 365 tickoffice 365 tick
IRM using Azure RMS (requires add-on purchase, included in E3 & E4)
IRM using Windows Server AD RMSoffice 365 tickoffice 365 tickoffice 365 tick
Office 365 Message Encryption (depends on Azure RMS)
S/MIMEoffice 365 tickoffice 365 tickoffice 365 tick
In-Place Hold and Litigation Holdoffice 365 tick
In-Place eDiscoveryoffice 365 tickoffice 365 tickoffice 365 tick
Transport Rulesoffice 365 tickoffice 365 tickoffice 365 tick
Data Loss Preventionoffice 365 tick
Journalingoffice 365 tickoffice 365 tickoffice 365 tick
Anti-Spam and Anti-Malware Protection

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Built-In Anti-Spam Protectionoffice 365 tickoffice 365 tickoffice 365 tick
Customize Anti-Spam Policiesoffice 365 tickoffice 365 tickoffice 365 tick
Built-In Anti-Malware Protectionoffice 365 tickoffice 365 tickoffice 365 tick
Customize Anti-Malware Policiesoffice 365 tickoffice 365 tickoffice 365 tick
Quarantine – administrator managementoffice 365 tickoffice 365 tickoffice 365 tick
Quarantine – administrator managementoffice 365 tickoffice 365 tickoffice 365 tick
Quarantine – end-user self-managementoffice 365 tickoffice 365 tickoffice 365 tick
Mail Flow

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Custom Routing of Outbound Mailoffice 365 tickoffice 365 tickoffice 365 tick
Secure Messaging with a Trusted Partneroffice 365 tickoffice 365 tickoffice 365 tick
Conditional Mail Routingoffice 365 tickoffice 365 tickoffice 365 tick
Adding Partner to an Inbound Safe Listoffice 365 tickoffice 365 tickoffice 365 tick
Hybrid Email Routingoffice 365 tickoffice 365 tickoffice 365 tick
Recipients

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Capacity Alertsoffice 365 tickoffice 365 tickoffice 365 tick
Clutteroffice 365 tickoffice 365 tickoffice 365 tick
MailTipsoffice 365 tickoffice 365 tickoffice 365 tick
Delegate Accessoffice 365 tickoffice 365 tick
Inbox Rulesoffice 365 tickoffice 365 tick
Connected Accountsoffice 365 tickoffice 365 tickoffice 365 tick
Inactive Mailboxesoffice 365 tickoffice 365 cross
Offline Address Bookoffice 365 tickoffice 365 tickoffice 365 tick
Address Book Policiesoffice 365 tickoffice 365 tickoffice 365 tick
Hierarchical Address Bookoffice 365 tickoffice 365 tick
Address Lists and Global Address Listoffice 365 tickoffice 365 tickoffice 365 tick
Distribution Groupsoffice 365 tickoffice 365 tickoffice 365 tick
External Contacts (global)office 365 tickoffice 365 tickoffice 365 tick
Universal Contact Cardoffice 365 tickoffice 365 tickoffice 365 tick
Contact Linking with Social Networksoffice 365 tickoffice 365 tickoffice 365 tick
Resource Mailboxesoffice 365 tickoffice 365 tickoffice 365 tick
Conference Room Managementoffice 365 tickoffice 365 tickoffice 365 tick
Out-of-Office Repliesoffice 365 tickoffice 365 tickoffice 365 tick
Calendar Sharingoffice 365 tickoffice 365 tickoffice 365 tick
Reporting Features and Troubleshooting Tools

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Office 365 admin center reportsoffice 365 tickoffice 365 tickoffice 365 tick
Excel Reporting Workbookoffice 365 tickoffice 365 tickoffice 365 tick
Web Services Reportsoffice 365 tickoffice 365 tickoffice 365 tick
Message Traceoffice 365 tickoffice 365 tickoffice 365 tick
Auditing Reportsoffice 365 tickoffice 365 tickoffice 365 tick
Unified Messaging Reportsoffice 365 tick
Sharing and Collaboration

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Federated Sharingoffice 365 tickoffice 365 tickoffice 365 tick
Site Mailboxes (requires SharePoint Online)office 365 tickoffice 365 tickoffice 365 tick
Public Foldersoffice 365 tickoffice 365 tick
Clients and Mobile Devices

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Microsoft Outlookoffice 365 tickoffice 365 tick
Outlook Web Appoffice 365 tickoffice 365 tickoffice 365 tick
Exchange ActiveSyncoffice 365 tickoffice 365 tickoffice 365 tick
POP and IMAPoffice 365 tickoffice 365 tick office 365 tick

(no IMAP)

SMTPoffice 365 tickoffice 365 tickoffice 365 tick
EWS Application supportoffice 365 tickoffice 365 tick
Outlook for Macoffice 365 tickoffice 365 tick
Voice Message Services

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Voice Mailoffice 365 tick
Third-Party Voice Mail Interoperabilityoffice 365 tickoffice 365 tickoffice 365 tick
Skype for Business Integrationoffice 365 tickoffice 365 tickoffice 365 tick
High Availability and Business Continuity

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Mailbox Replication at Data Centersoffice 365 tickoffice 365 tickoffice 365 tick
Deleted Mailbox Recoveryoffice 365 tickoffice 365 tickoffice 365 tick
Deleted Item Recoveryoffice 365 tickoffice 365 tickoffice 365 tick
Single Item Recoveryoffice 365 tickoffice 365 tick
Interoperability, Connectivity, and Compatibility

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Skype for Business Presence in OWAoffice 365 tickoffice 365 tick
SharePoint Interoperabilityoffice 365 tickoffice 365 tickoffice 365 tick
EWS Connectivity Supportoffice 365 tickoffice 365 tickoffice 365 tick
SMTP Relay Supportoffice 365 tickoffice 365 tickoffice 365 tick
Exchange Online Administration and Management

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Microsoft Office 365 portal accessoffice 365 tickoffice 365 tickoffice 365 tick
Microsoft Office 365 admin center accessoffice 365 tickoffice 365 tick
Exchange admin center accessoffice 365 tickoffice 365 tickoffice 365 tick
Remote Windows PowerShell accessoffice 365 tickoffice 365 tickoffice 365 tick
ActiveSync Policies for Mobile Devicesoffice 365 tickoffice 365 tickoffice 365 tick
Usage Reportingoffice 365 tickoffice 365 tickoffice 365 tick
Customization, Add-ins, and Resources for Exchange Online

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Outlook Web App Web Partsoffice 365 tickoffice 365 tickoffice 365 tick
Outlook Add-Ins and Outlook MAPIoffice 365 tickoffice 365 tick
Address Book Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Address List 100010001000
Offline Address Book (OAB)250250250
Address Book Policies (ABP)250250250
Global Address Lists250250250
Storage Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

User Mailboxes50 GB50 GB2 GB
Archive MailboxesShared with PrimaryNo LimitNot Available
Shared Mailboxes50 GB50 GBNot Available
Resource Mailboxes50 GB50 GB50 GB
Public Folder Mailboxes (Max 50)50 GB50 GBNot Available
Mailbox Folder Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Maximum number of messages per mailbox folder1 million1 million1 million
Maximum number of messages per folder in the Recoverable Items folder3 million3 million3 million
Maximum number of subfolders per mailbox folder1,0001,0001,000
Maximum folder hierarchy depth300300300
Maximum number of public folders100,000100,000Not Available
Maximum number of subfolders per public folder1,0001,000Not Available
Message Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Message size limit25 MB25 MB25 MB
Message size limit – migration150 MB150 MB150 MB
Subject length limit255 characters255 characters255 characters
File attachments limit250 attachments250 attachments250 attachments
File attachment size limit25 MB25 MB25 MB
Multipart message limit250 parts250 parts250 parts
Embedded message depth limit30 embedded messages30 embedded messages30 embedded messages
Recipient and Sender Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Recipient rate limit10,000 recipients per day10,000 recipients per day10,000 recipients per day
Recipient limit500 recipients500 recipients500 recipients
Distribution Groups Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Maximum number of distribution group members100,000 members100,000 members100,000 members
Limit sending messages to large distribution group5,000 or more members5,000 or more members5,000 or more members
Maximum message size for large distribution groups2 MB2 MB2 MB
Transport and Inbox Rule Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Maximum number of transport rules300 rules300 rules300 rules
Maximum size of an individual transport rule8 KB8 KB8 KB
Character limit (in KB) for all regular expressions used in all transport rules20 KB20 KB20 KB
Maximum number of recipients added to a message by all transport rules100 recipients100 recipients
Forward limit10 recipients10 recipients10 recipients
Number of times a message is redirected1 redirection1 redirection1 redirection
Moderation Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Maximum size of the arbitration mailbox10 GB10 GB10 GB
Maximum number of moderators10 moderators10 moderators10 moderators
Expiration for messages waiting for moderation2 days2 days2 days
Maximum rate for expired moderation notification messages300 expiration notifications per hour300 expiration notifications per hour300 expiration notifications per hour
Exchange ActiveSync Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Exchange ActiveSync device limit100100100
Exchange ActiveSync device deletion limit202020
Exchange ActiveSync file attachment limit25 MB25 MB25 MB

Office 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