Exchange Online

Please Scroll down the Page to download the white paper as there is simply to much information to post on this web page. Microsoft Office 365 Exchange Online

Microsoft® Exchange Online is a hosted messaging solution that delivers the capabilities of Microsoft Exchange Server as a cloud-based service. It gives users rich and familiar access to email, calendar, contacts, and tasks across PCs, the web, and mobile devices.  

With Exchange Online, organizations can take advantage of sophisticated messaging capabilities without the operational burden of on-premises server software.

Table 4: Overview of user subscriptions

Feature

Exchange Online
Kiosk

No support from MS

Exchange Online
(Plan 1)

No support from MS

Exchange Online
(Plan 2)

No support from MS

Mailbox size

500 megabytes (MB)

25 gigabytes (GB)*

Unlimited**

Outlook Web App
(regular and light versions)

Yes

Yes

Yes

POP

Yes

Yes

Yes

IMAP

No

Yes

Yes

Outlook Anywhere (MAPI)

No

Yes

Yes

Microsoft Exchange ActiveSync®

No

Yes

Yes

Exchange Web Services

No***

Yes

Yes

Inbox rules

No

Yes

Yes

Delegate access

No (cannot access other users’ mailboxes, shared mailboxes, or resource mailboxes)

Yes

Yes

Instant messaging interoperability in OWA

No

Yes (requires Lync Online or Microsoft Lync Server 2010)

Yes (requires Lync Online or Microsoft Lync Server 2010)

SMS notifications

No

Yes

Yes

Custom retention policies

Yes

Yes

Yes

Multi-mailbox search

Yes

Yes

Yes

Personal archive

No

Yes

Yes

Voicemail

No

No

Yes

Legal hold

No

No

Yes

*25 GB of storage apportioned across the user’s primary mailbox and personal archive

**25 GB of storage in the user’s primary mailbox, plus unlimited storage in the user’s personal archive. Refer to the personal archive section of this document for further information regarding unlimited storage in the archive

***Direct access to Kiosk user mailboxes via Exchange Web Services is not permitted. However, line of business applications can use Exchange Web Services impersonation to access Kiosk user mailboxes

Office 365 (Plan E1)

24X7X365 Direct Support with Microsoft 

Office 365 (Plan E2)

24X7X365 Direct Support with Microsoft

Office 365 (Plan E3)

24X7X365 Direct Support with Microsoft

Office 365 (Plan E4)

24X7X365 Direct Support with Microsoft

Exchange Online (Plan 1)

Exchange Online (Plan 1)

Exchange Online (Plan 2)

Exchange Online (Plan 2)

SharePoint Online (Plan 1)

SharePoint Online (Plan 1)

SharePoint Online (Plan 2)

SharePoint Online (Plan 2)

Lync Online (Plan 2)

Lync Online (Plan 2)

Lync Online (Plan 2)

Lync Online (Plan 2)

 

Office Web Apps

Office Web Apps

Office Web Apps

 

 

Office Professional Plus

Office Professional Plus

 

 

 

Lync Voice & PBX (Lync Plus CAL for Lync Server)*

* Lync Voice & PBX are only available with Lync Server 2010, deployed on-premises or hosted via a private cloud deployment. 

All Lync workloads (instant messaging, online meetings and Voice & PBX) must be deployed on Lync server in this case. 

It is not possible to split Lync workloads between Lync Server and Lync Online.



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