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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 supported office 365 tick office 365 tick office 365 tick
IMAP migration supported office 365 tick office 365 tick office 365 tick
Cutover migration supported office 365 tick office 365 tick office 365 tick
Staged migration supported office 365 tick office 365 tick office 365 tick
Permissions

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Role-Based Permissions office 365 tick office 365 tick
Role Groups office 365 tick office 365 tick
Role Assignment Policies office 365 tick office 365 tick
Message Policy and Compliance

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Archiving Exchange Online-based Mailboxes office 365 tick office 365 tick
Cloud-Based Archiving of On-Premises Mailboxes
Retention Tags and Retention Policies office 365 tick office 365 tick office 365 tick
Encryption of data at rest (BitLocker) office 365 tick office 365 tick office 365 tick
IRM using Azure RMS (requires add-on purchase, included in E3 & E4)
IRM using Windows Server AD RMS office 365 tick office 365 tick office 365 tick
Office 365 Message Encryption (depends on Azure RMS)
S/MIME office 365 tick office 365 tick office 365 tick
In-Place Hold and Litigation Hold office 365 tick
In-Place eDiscovery office 365 tick office 365 tick office 365 tick
Transport Rules office 365 tick office 365 tick office 365 tick
Data Loss Prevention office 365 tick
Journaling office 365 tick office 365 tick office 365 tick
Anti-Spam and Anti-Malware Protection

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Built-In Anti-Spam Protection office 365 tick office 365 tick office 365 tick
Customize Anti-Spam Policies office 365 tick office 365 tick office 365 tick
Built-In Anti-Malware Protection office 365 tick office 365 tick office 365 tick
Customize Anti-Malware Policies office 365 tick office 365 tick office 365 tick
Quarantine – administrator management office 365 tick office 365 tick office 365 tick
Quarantine – administrator management office 365 tick office 365 tick office 365 tick
Quarantine – end-user self-management office 365 tick office 365 tick office 365 tick
Mail Flow

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Custom Routing of Outbound Mail office 365 tick office 365 tick office 365 tick
Secure Messaging with a Trusted Partner office 365 tick office 365 tick office 365 tick
Conditional Mail Routing office 365 tick office 365 tick office 365 tick
Adding Partner to an Inbound Safe List office 365 tick office 365 tick office 365 tick
Hybrid Email Routing office 365 tick office 365 tick office 365 tick
Recipients

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Capacity Alerts office 365 tick office 365 tick office 365 tick
Clutter office 365 tick office 365 tick office 365 tick
MailTips office 365 tick office 365 tick office 365 tick
Delegate Access office 365 tick office 365 tick
Inbox Rules office 365 tick office 365 tick
Connected Accounts office 365 tick office 365 tick office 365 tick
Inactive Mailboxes office 365 tick office 365 cross
Offline Address Book office 365 tick office 365 tick office 365 tick
Address Book Policies office 365 tick office 365 tick office 365 tick
Hierarchical Address Book office 365 tick office 365 tick
Address Lists and Global Address List office 365 tick office 365 tick office 365 tick
Distribution Groups office 365 tick office 365 tick office 365 tick
External Contacts (global) office 365 tick office 365 tick office 365 tick
Universal Contact Card office 365 tick office 365 tick office 365 tick
Contact Linking with Social Networks office 365 tick office 365 tick office 365 tick
Resource Mailboxes office 365 tick office 365 tick office 365 tick
Conference Room Management office 365 tick office 365 tick office 365 tick
Out-of-Office Replies office 365 tick office 365 tick office 365 tick
Calendar Sharing office 365 tick office 365 tick office 365 tick
Reporting Features and Troubleshooting Tools

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Office 365 admin center reports office 365 tick office 365 tick office 365 tick
Excel Reporting Workbook office 365 tick office 365 tick office 365 tick
Web Services Reports office 365 tick office 365 tick office 365 tick
Message Trace office 365 tick office 365 tick office 365 tick
Auditing Reports office 365 tick office 365 tick office 365 tick
Unified Messaging Reports office 365 tick
Sharing and Collaboration

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Federated Sharing office 365 tick office 365 tick office 365 tick
Site Mailboxes (requires SharePoint Online) office 365 tick office 365 tick office 365 tick
Public Folders office 365 tick office 365 tick
Clients and Mobile Devices

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Microsoft Outlook office 365 tick office 365 tick
Outlook Web App office 365 tick office 365 tick office 365 tick
Exchange ActiveSync office 365 tick office 365 tick office 365 tick
POP and IMAP office 365 tick office 365 tick  office 365 tick

(no IMAP)

SMTP office 365 tick office 365 tick office 365 tick
EWS Application support office 365 tick office 365 tick
Outlook for Mac office 365 tick office 365 tick
Voice Message Services

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Voice Mail office 365 tick
Third-Party Voice Mail Interoperability office 365 tick office 365 tick office 365 tick
Skype for Business Integration office 365 tick office 365 tick office 365 tick
High Availability and Business Continuity

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Mailbox Replication at Data Centers office 365 tick office 365 tick office 365 tick
Deleted Mailbox Recovery office 365 tick office 365 tick office 365 tick
Deleted Item Recovery office 365 tick office 365 tick office 365 tick
Single Item Recovery office 365 tick office 365 tick
Interoperability, Connectivity, and Compatibility

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Skype for Business Presence in OWA office 365 tick office 365 tick
SharePoint Interoperability office 365 tick office 365 tick office 365 tick
EWS Connectivity Support office 365 tick office 365 tick office 365 tick
SMTP Relay Support office 365 tick office 365 tick office 365 tick
Exchange Online Administration and Management

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Microsoft Office 365 portal access office 365 tick office 365 tick office 365 tick
Microsoft Office 365 admin center access office 365 tick office 365 tick
Exchange admin center access office 365 tick office 365 tick office 365 tick
Remote Windows PowerShell access office 365 tick office 365 tick office 365 tick
ActiveSync Policies for Mobile Devices office 365 tick office 365 tick office 365 tick
Usage Reporting office 365 tick office 365 tick office 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 Parts office 365 tick office 365 tick office 365 tick
Outlook Add-Ins and Outlook MAPI office 365 tick office 365 tick
Address Book Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Address List  1000 1000 1000
Offline Address Book (OAB) 250 250 250
Address Book Policies (ABP) 250 250 250
Global Address Lists 250 250 250
Storage Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

User Mailboxes 50 GB 50 GB 2 GB
Archive Mailboxes Shared with Primary No Limit Not Available
Shared Mailboxes 50 GB 50 GB Not Available
Resource Mailboxes 50 GB 50 GB 50 GB
Public Folder Mailboxes (Max 50) 50 GB 50 GB Not Available
Mailbox Folder Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Maximum number of messages per mailbox folder 1 million 1 million 1 million
Maximum number of messages per folder in the Recoverable Items folder 3 million 3 million 3 million
Maximum number of subfolders per mailbox folder 1,000 1,000 1,000
Maximum folder hierarchy depth 300 300 300
Maximum number of public folders 100,000 100,000 Not Available
Maximum number of subfolders per public folder 1,000 1,000 Not Available
Message Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Message size limit 25 MB 25 MB 25 MB
Message size limit – migration 150 MB 150 MB 150 MB
Subject length limit 255 characters 255 characters 255 characters
File attachments limit 250 attachments 250 attachments 250 attachments
File attachment size limit 25 MB 25 MB 25 MB
Multipart message limit 250 parts 250 parts 250 parts
Embedded message depth limit 30 embedded messages 30 embedded messages 30 embedded messages
Recipient and Sender Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Recipient rate limit 10,000 recipients per day 10,000 recipients per day 10,000 recipients per day
Recipient limit 500 recipients 500 recipients 500 recipients
Distribution Groups Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Maximum number of distribution group members 100,000 members 100,000 members 100,000 members
Limit sending messages to large distribution group 5,000 or more members 5,000 or more members 5,000 or more members
Maximum message size for large distribution groups 2 MB 2 MB 2 MB
Transport and Inbox Rule Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Maximum number of transport rules 300 rules 300 rules 300 rules
Maximum size of an individual transport rule 8 KB 8 KB 8 KB
Character limit (in KB) for all regular expressions used in all transport rules 20 KB 20 KB 20 KB
Maximum number of recipients added to a message by all transport rules 100 recipients 100 recipients
Forward limit 10 recipients 10 recipients 10 recipients
Number of times a message is redirected 1 redirection 1 redirection 1 redirection
Moderation Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Maximum size of the arbitration mailbox 10 GB 10 GB 10 GB
Maximum number of moderators 10 moderators 10 moderators 10 moderators
Expiration for messages waiting for moderation 2 days 2 days 2 days
Maximum rate for expired moderation notification messages 300 expiration notifications per hour 300 expiration notifications per hour 300 expiration notifications per hour
Exchange ActiveSync Limits

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Exchange ActiveSync device limit 100 100 100
Exchange ActiveSync device deletion limit 20 20 20
Exchange ActiveSync file attachment limit 25 MB 25 MB 25 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