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Exchange Online Service Description

Office 365
 

Applies to: Office 365, Exchange Online

Topic Last Modified: 2014-08-18

Microsoft Exchange Online is a hosted messaging solution that delivers the capabilities of Microsoft Exchange Server as a cloud-based service. It gives users single sign-on access to email, calendar, contacts, and tasks from PCs, the web, and mobile devices. It integrates fully with Active Directory, enabling administrators to use group policies, as well as other administration tools, to manage Exchange Online features across their environment.

Organizations that subscribe to Exchange Online retain control over the messaging services they offer to users, but they do not have the operational burden of on-premises server software. With the Exchange Online hosted plans described in this document, email is hosted on servers that support multiple customers simultaneously. These servers are housed in Microsoft data centers and are accessible to users on a wide range of devices from inside a corporate network or over the Internet.

To compare features across plans, see Office 365 service comparison.

To buy an Office 365 plan or chat with an online representative, see Compare all Office 365 for business plans.

TipTip:
You can export, save, and print pages in the Office 365 Service Descriptions. Learn how to export multiple pages.

For information about new features in Exchange Online, see What's New in Exchange Online.

Office 365 is available in a variety of plans in order to best meet the needs of your organization. For information about different plans, including standalone plan options and information on moving from one plan to another, see Office 365 Plan Options.

Each user who accesses the Exchange Online service must be assigned to a subscription plan, and each user subscription has its own mailbox. Folders and messages in these mailboxes reside on a computer running Exchange Server at a Microsoft data center.

User subscriptions are not required for conference rooms and shared mailboxes. These special mailbox types do not have login credentials. Instead, licensed users with the appropriate permissions manage them via delegation.

For information about the operating systems, web browsers, and Office clients that are designed to work with Office 365, see Office 365 System Requirements.

For information about the storage and recipient limits available in the Exchange Online subscription plans, see Exchange Online Limits.

 

Feature

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Planning and Deployment

Hybrid deployment supported

Yes

No

No

Yes

Yes

Yes

Yes

Yes

IMAP migration supported

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Cutover migration supported

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Staged migration supported

No

No

No

Yes

Yes

Yes

Yes

Yes

Permissions

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Role-Based Permissions

Yes

Yes18

Yes18

Yes

Yes

Yes

Yes

No

Role Groups

Yes

Yes18

Yes18

Yes

Yes

Yes

Yes

No

Role Assignment Policies

Yes

Yes18

Yes18

Yes

Yes

Yes

Yes

No

Message Policy and Compliance

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Archiving Exchange Online-based Mailboxes

No

Yes

Yes

Yes

Yes

Yes

Yes

No

Cloud-Based Archiving of On-Premises Mailboxes

Yes 1

No

No

No

No

No

No

No

Retention Tags and Retention Policies

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Encryption of data at rest (BitLocker)

Yes17

Yes

Yes

Yes

Yes

Yes

Yes

Yes

IRM using Azure RMS

No

No

No

No

No2

Yes

Yes

No2

IRM using Windows Server AD RMS

Yes3

No

No

Yes3

Yes3

Yes3

Yes3

Yes3

Office 365 Message Encryption

Yes14

No

No

No

No2

Yes

Yes

No2

S/MIME

Yes16

Yes

Yes

Yes

Yes

Yes

Yes

Yes

In-Place Hold and Litigation Hold

Yes

No

No

No

No

Yes

Yes

No

In-Place eDiscovery

Yes

No

No

Yes

Yes

Yes

Yes

Yes

Transport Rules

Yes 4

No

No

Yes4

Yes4

Yes4

Yes4

Yes4

Data Loss Prevention

Yes5, 15

No

No

No

No

Yes

Yes

No

Journaling

Yes

No

No

Yes

Yes

Yes

Yes

Yes

Anti-Spam and Anti-Malware Protection

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Built-In Anti-Spam Protection

Yes 6

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Customize Anti-Spam Policies

Yes but only via PowerShell

Yes

Yes

Yes 7

Yes

Yes

Yes

Yes 7

Built-In Anti-Malware Protection

Yes 8

Yes8

Yes8

Yes8

Yes8

Yes8

Yes8

Yes8

Customize Anti-Malware Policies

Yes

Yes 7

Yes 7

Yes 7

Yes

Yes

Yes

Yes 7

Quarantine - administrator management

Yes

Yes 7

Yes 7

Yes 7

Yes

Yes

Yes

Yes 7

Quarantine – end-user self-management

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Mail Flow

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Custom Routing of Outbound Mail

Yes

Yes7

Yes7

Yes7

Yes

Yes

Yes

Yes

Secure Messaging with a Trusted Partner

Yes

Yes7

Yes7

Yes7

Yes

Yes

Yes

Yes

Conditional Mail Routing

No

No

No

Yes7

Yes

Yes

Yes

Yes

Adding a Partner to an Inbound Safe List

No

Yes7

Yes7

Yes7

Yes

Yes

Yes

Yes

Hybrid Email Routing

Yes

No

No

No

Yes

Yes

Yes

Yes

Recipients

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Capacity Alerts

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

MailTips

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Delegate Access

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Inbox Rules

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Connected Accounts

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Inactive Mailboxes

No

No

No

No9

No9

Yes

Yes

No 9

Offline Address Book

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Address Book Policies

Yes

No

No

No

Yes

Yes

Yes

Yes

Hierarchical Address Book

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Address Lists and Global Address List

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Distribution Groups

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

External Contacts (global)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Universal Contact Card

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Contact Linking with Social Networks

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Resource Mailboxes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Conference Room Management

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Out-of-Office Replies

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Calendar Sharing

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Reporting Features and Troubleshooting Tools

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Office 365 admin center reports

No

No

No

Yes

Yes

Yes

Yes

Yes

Excel Reporting Workbook

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Web Services Reports

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Message Trace

No

Yes 3

Yes 3

Yes 3

Yes

Yes

Yes

Yes 3

Auditing Reports

Yes

Yes 3

Yes 3

Yes 3

Yes

Yes

Yes

Yes 3

Unified Messaging Reports

Yes

No

No

No

No

Yes

Yes

No

Sharing and Collaboration

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Federated Sharing (Including Calendar Publishing)

Yes

Yes10

Yes10

Yes

Yes

Yes

Yes

Yes

Site Mailboxes

Yes11

Yes12

Yes12

Yes12

Yes12

Yes12

Yes12

Yes12

Public Folders

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Clients and Mobile Devices

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Microsoft Outlook

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes13

Outlook Web App

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Exchange ActiveSync

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

POP and IMAP

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes 13

SMTP

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

EWS Application support

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Macintosh Clients

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Voice Message Services

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Voice Mail

Yes

No

No

No

No

Yes

Yes

No

Integration Between Voice Mail and Third-Party FAX

Yes

No

No

No

No

Yes

Yes

No

Third-Party Voice Mail Interoperability

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Lync Integration

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

High Availability and Business Continuity

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Mailbox Replication at Data Centers

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Deleted Mailbox Recovery

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Deleted Item Recovery

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Single Item Recovery

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

Interoperability, Connectivity, and Compatibility

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Lync Presence in OWA

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

SharePoint Interoperability

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

EWS Connectivity Support

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

SMTP Relay Support

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Administration and Management

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Microsoft Office 365 portal access

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Microsoft Office 365 admin center access

No

No

No

Yes

Yes

Yes

Yes

No

Exchange admin center access

Yes

Yes7

Yes7

Yes

Yes

Yes

Yes

Yes 7

Remote Windows PowerShell access

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

ActiveSync Policies for Mobile Devices

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Usage Reporting

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Customization, Add-ins, and Resources for Exchange Online

Exchange Server 2013

Office 365 Small Business

Office 365 Small Business Premium

Office 365 Midsize Business

Office 365 Enterprise E1

Office 365 Education A2

Office 365 Government G1

Office 365 Enterprise E3

Office 365 Education A3

Office 365 Government G3

Office 365 Enterprise E4

Office 365 Education A4

Office 365 Government G4

Office 365 Enterprise K1

Office 365 Government K1

Outlook Web App Web Parts

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Outlook Add-Ins and Outlook MAPI

Yes

Yes

Yes

Yes

Yes

Yes

Yes

No

NoteNote:
1   Requires an Exchange Online Archiving (EOA) subscription for each on-premises mailbox user that has a cloud-based archive.
2   Azure Rights Management (RMS) isn’t included but can be purchased as a separate add-on in order to enable the supported IRM features. Office 365 Message Encryption depends on Azure RMS.
3   Windows Server AD RMS is an on-premises server that must be purchased and managed separately in order to enable the supported IRM features.
4   Transport rules are made up of predicates, which allow you to define conditions and exceptions, and actions to take based on the predicates. The available predicates and actions differ between Exchange Online, and Microsoft Exchange Server 2013. For a list of available predicates and actions, see the corresponding predicates and actions topics for each product.
5   For Exchange 2013, DLP requires an Exchange Enterprise Client Access License (CAL). For more information about CALs and server licensing, see Exchange Server Licensing.
6   Exchange Server 2013 has most of the same built-in anti-spam capabilities as Exchange Server 2010. For information about the benefits of Exchange hosted spam filtering over the on-premises offerings, see Benefits of Anti-Spam Features in Exchange Online Protection Over Exchange Server 2013.
7   Only accessible via direct access to the Exchange admin center (EAC) management interface.
8   Exchange Server 2013 uses only the Microsoft anti-malware engine. Exchange Online uses multiple anti-malware engines to scan inbound, outbound, and internal messages for malware.
9   An EOA subscription can be purchased separately for each mailbox that requires the inactive mailbox feature.
10   Calendar Publishing only. This allows users to publish their calendar for Internet access by a 3rd party.
11   SharePoint must be deployed in the on-premises Exchange organization.
12   SharePoint Online must be included in the Office 365 subscription plan.
13   POP is supported, but IMAP is not.
14   Supported for Exchange Server 2013 on-premises customers who purchase Azure Rights Management (RMS). O365 Message Encryption requires on-premises customers to route email through Exchange Online, either by using Exchange Online Protection for email filtering, or by establishing hybrid mail flow.
15   Exchange Server 2013 customers need to download and install SP1 in order to access Document Fingerprinting and Policy Tips in OWA and OWA for Devices.
16   Available to Exchange Server 2013 SP1 customers.
17   BitLocker Drive Encryption is supported for Exchange Server 2013, but an administrator needs to enable the feature.
18   No RBAC customization. Default roles only.

 

Feature

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Planning and Deployment

Hybrid deployment supported

Yes

Yes

Yes

Yes

IMAP migration supported

No

Yes

Yes

Yes

Cutover migration supported

No

Yes

Yes

Yes

Staged migration supported

No

Yes

Yes

Yes

Permissions

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Role-Based Permissions

Yes

Yes

Yes

No

Role Groups

Yes

Yes

Yes

No

Role Assignment Policies

Yes

Yes

Yes

No

Message Policy and Compliance

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Archiving Exchange Online-based Mailboxes

Yes

Yes

Yes

No

Cloud-Based Archiving of On-Premises Mailboxes

Yes 5

No

No

No

Retention Tags and Retention Policies

Yes

Yes

Yes

Yes

Encryption of data at rest (BitLocker)

Yes16

Yes

Yes

Yes

IRM using Azure RMS

No

No11

No11

No11

IRM using Windows Server AD RMS

Yes12

Yes12

Yes12

Yes12

Office 365 Message Encryption

Yes13

No11

No11

No11

S/MIME

Yes15

Yes

Yes

Yes

In-Place Hold and Litigation Hold

Yes

No

Yes

No

In-Place eDiscovery

Yes

Yes

Yes

Yes

Transport Rules

Yes 1

Yes 1

Yes 1

Yes 1

Data Loss Prevention

Yes10, 14

No

Yes

No

Journaling

Yes

Yes

Yes

Yes

Anti-Spam and Anti-Malware Protection

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Built-In Anti-Spam Protection

Yes 2

Yes

Yes

Yes

Customize Anti-Spam Policies

Yes but only via PowerShell

Yes

Yes

Yes 8

Built-In Anti-Malware Protection

Yes 7

Yes7

Yes7

Yes7

Customize Anti-Malware Policies

Yes

Yes

Yes

Yes 8

Quarantine - administrator management

Yes

Yes

Yes

Yes 8

Quarantine – end-user self-management

No

Yes

Yes

Yes

Mail Flow

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Custom Routing of Outbound Mail

Yes

Yes

Yes

Yes

Secure Messaging with a Trusted Partner

Yes

Yes

Yes

Yes

Conditional Mail Routing

No

Yes

Yes

Yes

Adding a Partner to an Inbound Safe List

No

Yes

Yes

Yes

Hybrid Email Routing

Yes

Yes

Yes

Yes

Recipients

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Capacity Alerts

Yes

Yes

Yes

Yes

MailTips

Yes

Yes

Yes

Yes

Delegate Access

Yes

Yes

Yes

No

Inbox Rules

Yes

Yes

Yes

No

Connected Accounts

Yes

Yes

Yes

Yes

Inactive Mailboxes

No

No 6

Yes

No 6

Offline Address Book

Yes

Yes

Yes

Yes

Address Book Policies

Yes

Yes

Yes

Yes

Hierarchical Address Book

Yes

Yes

Yes

Yes

Address Lists and Global Address List

Yes

Yes

Yes

Yes

Distribution Groups

Yes

Yes

Yes

Yes

External Contacts (global)

Yes

Yes

Yes

Yes

Universal Contact Card

Yes

Yes

Yes

Yes

Contact Linking with Social Networks

Yes

Yes

Yes

Yes

Resource Mailboxes

Yes

Yes

Yes

Yes

Conference Room Management

Yes

Yes

Yes

Yes

Out-of-Office Replies

Yes

Yes

Yes

Yes

Calendar Sharing

Yes

Yes

Yes

Yes

Reporting Features and Troubleshooting Tools

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Office 365 admin center reports

No

Yes

Yes

Yes

Excel Reporting Workbook

No

Yes

Yes

Yes

Web Services Reports

No

Yes

Yes

Yes

Message Trace

No

Yes

Yes

Yes 8

Auditing Reports

Yes

Yes

Yes

Yes 8

Unified Messaging Reports

Yes

No

Yes

No

Sharing and Collaboration

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Federated Sharing

Yes

Yes

Yes

Yes

Site Mailboxes

Yes 3

Yes 4

Yes 4

Yes 4

Public Folders

Yes

Yes

Yes

No

Clients and Mobile Devices

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Microsoft Outlook

Yes

Yes

Yes

No

Outlook Web App

Yes

Yes

Yes

Yes

Exchange ActiveSync

Yes

Yes

Yes

Yes

POP and IMAP

Yes

Yes

Yes

Yes 9

SMTP

Yes

Yes

Yes

Yes

EWS Application support

Yes

Yes

Yes

Yes

Macintosh Clients

Yes

Yes

Yes

No

Voice Message Services

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Voice Mail

Yes

No

Yes

No

Third-Party Voice Mail Interoperability

Yes

Yes

Yes

Yes

Lync Integration

Yes

Yes

Yes

Yes

High Availability and Business Continuity

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Mailbox Replication at Data Centers

No

Yes

Yes

Yes

Deleted Mailbox Recovery

Yes

Yes

Yes

Yes

Deleted Item Recovery

Yes

Yes

Yes

Yes

Single Item Recovery

Yes

Yes

Yes

No

Interoperability, Connectivity, and Compatibility

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Lync Presence in OWA

Yes

Yes

Yes

No

SharePoint Interoperability

Yes

Yes

Yes

Yes

EWS Connectivity Support

Yes

Yes

Yes

Yes

SMTP Relay Support

Yes

Yes

Yes

Yes

Administration and Management

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Microsoft Office 365 portal access

No

Yes

Yes

Yes

Microsoft Office 365 admin center access

No

Yes

Yes

No

Exchange admin center access

Yes

Yes

Yes

Yes 8

Remote Windows PowerShell access

Yes

Yes

Yes

Yes

ActiveSync Policies for Mobile Devices

Yes

Yes

Yes

Yes

Usage Reporting

Yes

Yes

Yes

Yes

Customization, Add-ins, and Resources for Exchange Online

Exchange Server 2013

Exchange Online Plan 1

Exchange Online Plan 2

Exchange Online Kiosk

Outlook Web App Web Parts

Yes

Yes

Yes

Yes

Outlook Add-Ins and Outlook MAPI

Yes

Yes

Yes

Yes

NoteNote:
1   Transport rules are made up of predicates, which allow you to define conditions and exceptions, and actions to take based on the predicates. The available predicates and actions differ between Exchange Online, and Microsoft Exchange Server 2013. For a list of available predicates and actions, see the corresponding predicates and actions topics for each product.
2   Exchange Server 2013 has most of the same built-in anti-spam capabilities as Exchange Server 2010. For information about the benefits of Exchange hosted spam filtering over the on-premises offerings, see Benefits of Anti-Spam Features in Exchange Online Protection Over Exchange Server 2013.
3   SharePoint must be deployed in the on-premises Exchange organization.
4   SharePoint Online must be included in the Office 365 subscription plan.
5   Requires an Exchange Online Archiving (EOA) subscription for each on-premises mailbox user that has a cloud-based archive.
6   An EOA subscription can be purchased separately for each mailbox that requires the inactive mailbox feature.
7   Exchange Server 2013 uses only the Microsoft anti-malware engine. Exchange Online uses multiple anti-malware engines to scan inbound, outbound, and internal messages for malware.
8   Only accessible via direct access to the Exchange admin center (EAC) management interface.
9   IMAP is not supported.
10   For Exchange 2013, DLP requires an Exchange Enterprise Client Access License (CAL). For more information about CALs and server licensing, see Exchange Server Licensing.
11   Azure Rights Management (RMS) isn’t included but can be purchased as a separate add-on in order to enable the supported IRM features. Office 365 Message Encryption depends on Azure RMS.
12   Windows Server AD RMS is an on-premises server that must be purchased and managed separately in order to enable the supported IRM features.
13   Supported for Exchange Server 2013 on-premises customers who purchase Azure Rights Management (RMS). O365 Message Encryption requires on-premises customers to route email through Exchange Online, either by using Exchange Online Protection for email filtering, or by establishing hybrid mail flow.
14   Exchange Server 2013 customers need to download and install SP1 in order to access Document Fingerprinting and Policy Tips in OWA and OWA for Devices.
15   Available to Exchange Server 2013 SP1 customers.
16   BitLocker Drive Encryption is supported for Exchange Server 2013, but an administrator needs to enable the feature.

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