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Exchange Online Archiving Service Description

Office 365
 

Applies to: Office 365

Topic Last Modified: 2014-09-29

Microsoft Exchange Online Archiving is a Microsoft Office 365 cloud-based, enterprise-class archiving solution for organizations that have deployed Microsoft Exchange Server 2013, Microsoft Exchange Server 2010 (SP2 and later), or subscribe to certain Exchange Online or Office 365 plans. Exchange Online Archiving assists these organizations with their archiving, compliance, regulatory, and eDiscovery challenges while simplifying on-premises infrastructure, and thereby reducing costs and easing IT burdens.

As a Microsoft Office 365 online service, Exchange Online Archiving is designed to help meet the need for robust security, reliability, and user productivity. For more information about Office 365, including features common to all Office 365 online services, see the Office 365 Platform Service Description.

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

To buy Exchange Online Archiving, see Exchange Online Archiving.

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

Exchange Online Archiving is available through the following plans.

 

Plan Description

Exchange Online Archiving for Exchange Server

Cloud-based archive for users with primary mailboxes in Exchange Server 2013 or Exchange 2010 (SP2 or later).

Exchange Online Archiving for Exchange Server (via Enterprise CAL Suite)

Cloud-based archive for users with primary mailboxes in Exchange Server 2013 or Exchange 2010 (SP2 or later). For details, see Licensing Brief – Licensing the Core CAL Suite and the Enterprise CAL Suite.

Exchange Online Archiving for Exchange Online

Cloud-based archive and in-place hold as an add-on for the following plans1, 2:

Exchange Online Plan 1
Exchange Online Kiosk
Office 365 Business Essentials
Office 365 Business Premium
Office 365 Enterprise E1
Office 365 Government E1
Office 365 Education E1
Office 365 Enterprise K1
Office 365 Government K1

NoteNote:
The following plans already include archiving and do not require Exchange Online Archiving as an add-on:
Office 365 Enterprise E3
Office 365 Education E3
Office 365 Government E3
Office 365 Enterprise E4
Office 365 Education E4
Office 365 Government E4
Exchange Online Plan 2
For details on the archiving capabilities of Exchange Online mailboxes, see the Message Policy and Compliance topic in the Exchange Online Service Description.
NoteNote:
1   A hybrid deployment isn’t required for cloud-only organizations where no mailboxes are located on an on-premises Exchange server.
2   Exchange Online Plan 1 and Office 365 Business plans have a size limit on the mailbox and archive. Exchange Online Archiving for Exchange Online add-on adds unlimited cloud-based archive and In-Place Hold.

Looking for information about all Office 365 plans? 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.

In order to use Exchange Online Archiving for Exchange Server, user mailboxes must reside on Exchange Server 2013 or Exchange Server 2010 (SP2 or later).

Administrators can use a single sign-on approach to Office 365 authentication with on-premises Active Directory. To achieve this, administrators can configure on-premises Active Directory Federation Services—a Microsoft Windows Server® 2008 service—to federate with the Microsoft Federation Gateway. After Active Directory Federation Services is configured, all Office 365 users whose identities are based on the federated domain can use their existing corporate logon to automatically authenticate to Office 365.

Each user who accesses the Exchange Online Archiving service must have an Exchange Online Archiving subscription. Each email archive subscription can be used only for storage of one user’s messaging data.

An Exchange Online Archiving user receives unlimited storage in the archive. However, an initial quota of 100 GB is set on the archive. This quota is large enough to accommodate and enforce reasonable use, including the import of one user’s historical email. In the event that a user reaches this quota, a call to support is required.

ImportantImportant:
Administrators cannot adjust the storage quota.

 

Feature Exchange Online Archiving for Exchange Server1 Exchange Online Archiving for Exchange Online2

Archive Features in Exchange Online Archiving

Archive mailbox

Yes

Yes

Move messages using Archive policy

Yes

Yes

Import data to the archive

Yes

Yes

Deleted item recovery

Yes

Yes

Deleted mailbox recovery

Yes

Yes

Mailbox backup

Yes

Yes

Client Features in Exchange Online Archiving

Outlook3

Yes

Yes

Outlook Web App

Yes

Yes

Compliance and Security Features in Exchange Online Archiving

Retention policies

Yes

Yes

In-Place Hold and Litigation Hold

Yes

Yes

In-Place eDiscovery

Yes

Yes

Encryption between on-premises servers and Exchange Online Archiving

Yes

Yes

Encrypting between clients and Exchange Online Archiving

Yes

Yes

Encryption: S/MIME and PGP

Yes

Yes

IRM using Azure RMS

No

No4

IRM using Windows Server AD RMS

Yes5

Yes5

Auditing

Yes

Yes

NoteNote:
1   User mailboxes must reside on Exchange 2010 SP2 or later.
2   In-Place Archive can only be used to archive mail for a single user or entity for which a license has been applied. Using an In-Place Archive as a means to store mail from multiple users or entities is prohibited. For example, IT administrators can’t create shared mailboxes and have users copy (through the Cc or Bcc field, or through a transport rule) a shared mailbox for the explicit purpose of archiving.
3   For a list of supported Microsoft Outlook versions see Client Features in Exchange Online Archiving.
4    Azure Rights Management (RMS) isn’t included, but can be purchased as a separate add-on in order to enable the supported IRM features.
5   Windows Server AD RMS is an on-premises server that must be purchased and managed separately in order to enable the supported IRM features.

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