Ilse Van Criekinge's Weblog

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Exchange 2010: OWA versus OWA light

Exchange 2010: OWA versus OWA light

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Last week I got a question from one of my colleagues to see if there was a list available somewhere that describes the differences between Outlook Web App and Outlook Web App Light, as there is a list available describing the differences between OWA Premium and OWA Light in Exchange 2007 (Exchange 2007 = Client Features in Outlook Web Access).

The following link  was easily retrieved: Supported E-Mail Programs and Features, which includes a table listing some of the differences when accessing your mailbox using OWA, OWA Light, Outlook, Entourage, Mobile Device, POP, IMAP.

A great article about using OWA Light 2007 can be found here:

Microsoft Outlook Web Access Light 2007

But not really an overview of comparing OWA, to its light version in Exchange 2010.

So here’s an attempt to create such an overview…

Feature Light OWA
Spelling Checker Not available Available
Reading Pane Not available Available
Accessibility for Blind and Low Vision Users Available Not available
Notifications and Reminders Not available Available
Weekly Calendar Views Not available Available
Compose Messages by Using HTML Only plain text is available in Outlook Web Access Light Available
Calendar Options Limited to the following features: Available
  * Show week numbers  
  * Set the first day of the week  
  * Select days of the week  
  * Set day start and end times  
Arrange By Limited to a subset of choices, depending on the folder type Available
Right-Click Menu Not available Available
Drag-and-Drop Not available Available
Resource Mailbox Management Not available Available
Voice Mail Options Not available Available
Favorites Not available Available
OCS Integration Not available Available
Public Folders Not available Available
Share a calendar Not available Available
Open a shared calendar Not available Available
Monthly calendar views Not available Available
Conversation view Not available Available
Scroll between pages Available Not available
Retention Policies Not available Available
Users can create and edit personal distribution lists Not available Available
users can create and edit server side rules Not available Available
S/MIME support Not available Available
RMS Protection Not available Available
RBAC - Change user settings Not available Available
RBAC - Administrator settings Not available Available
Web ready document viewing Not available Available
Nickname cache Not available (There is a list of most recent recipients) Available
Message Tracking Not available Available
Advanced Search Not available Available
Mailtips Not available Available
Exchange Control Panel Not available Available
Attach Message to a Message Not available Available


Let me know if parts/pieces/features are missing!


  • I need a bit of help. My company is now switching to exchange 2010. we are having all out end users use the outllok web client. Here is my problem. Som end users are coming up in the outlook web app with the light version. How do I get the full version to wiork? and if this is automatic what do I need to download tio make the full version work for these customers. Can you please send me a response to Thanks

  • James,

    We have published a Supportability Matrix which states when you should get the full version of OWA. It is possible that some of your users are not getting the full version due to their OS or browser used. More info can be found here:


  • Just like James above, I am trying to figure out how to change from outlook web app light to the full version on my Droid X phone. Thanks


  • Jerry I have the impression that for Droid you should utilize built-in Exchange ActiveSync instead of  the wep app.



  • I know this is an old post ... but...

    The only thing that I don't like about the premium version is the in-ability to select the columns.  I have a hosted exchange solution, and my staff has a quota of 100mb.  In order for them to find out the offending messages (at quick glance), they have to log into the light version so they can see the size column.  Does anyone have a suggestion on how to do that in the premium owa?

  • Comparison is much different for 2010.  More features available in light.  Does anyone have a comparison table for that???

  • What about the online archive? Is it available in "light"?

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