Applies to: Exchange Server 2007 SP3, Exchange Server
2007 SP2, Exchange Server 2007 SP1, Exchange Server 2007
Topic Last Modified: 2007-06-27
Microsoft Office Outlook Web Access provides access to a user's mailbox from any browser that supports HTML 3.2 and European Computer Manufacturers Association (ECMA) formats. It is an ideal client for users who do not have access to Outlook, such as users who are traveling or who rely on shared workstations for access to e-mail and calendar information.
This topic covers basic questions that you might have about Outlook Web Access, and includes links to additional information.
Browser Requirements for Outlook
Web Access
Outlook Web Access in Microsoft Exchange Server 2007 can be run in two formats: Outlook Web Access Premium and Outlook Web Access Light. Outlook Web Access Premium requires Internet Explorer 6 or later versions and has a rich feature set. Outlook Web Access Light works with most Web browsers, has fewer features than Outlook Web Access Premium, and performs better over slow connections.
Outlook Web Access Premium
The following table describes the combinations of browsers and operating systems that you can use together with Outlook Web Access Premium.
Versions of Web browsers and operating systems to use with Outlook Web Access Premium
| Windows version | Supported browsers for Outlook Web Access Premium |
|---|---|
|
Windows Millennium Edition |
Internet Explorer 6 and later versions |
|
Windows 2000 Server |
Internet Explorer 6 and later versions |
|
Windows XP |
Internet Explorer 6 and later versions |
|
Windows Server 2003 |
Internet Explorer 6 and later versions |
|
Windows Vista |
Internet Explorer 7 in Windows Vista |
Outlook Web Access Light
Outlook Web Access Light is supported on many browsers that support HTML 3.2 and ECMA. The following table describes the combination of browsers and operating systems that you can use together with Outlook Web Access Light.
Versions of Web browsers and operating systems to use with Outlook Web Access Light
| Operating system | Internet Explorer version | Additional browsers |
|---|---|---|
|
Windows 98 |
Internet Explorer 5.01, 5.5, 6, and later versions |
Not available |
|
Windows Millennium Edition |
Internet Explorer 5.5, 6, and later versions |
Not available |
|
Windows 2000 Server |
Internet Explorer 5.01, 5.5, 6, and later versions |
Not available |
|
Windows XP |
Internet Explorer 6 and later versions |
Mozilla Firefox 1.8, Opera 7.54 |
|
Windows Server 2003 |
Internet Explorer 6 and later versions |
Mozilla Firefox 1.8, Opera 7.54 |
|
Windows Vista |
Internet Explorer 7 in Windows Vista |
Mozilla Firefox 1.8, Opera 7.54 |
|
Mac OS 9 |
Internet Explorer 5.01 |
Netscape Navigator 7.1 |
|
Mac OS 10.3 |
Not available |
Safari 1.2 |
|
Sun Solaris 9, x86 |
Not available |
Mozilla Firefox 1.8, Netscape Navigator 7.1 |
|
Linux Red Hat Desktop (RHEL3) |
Not available |
Mozilla Firefox 1.8, Netscape Navigator 7.1 |
|
HP/UX 11i |
Not available |
Mozilla Firefox 1.8, Netscape Navigator 7.1 |
 Note: |
|---|
| Outlook Web Access is not supported on Microsoft Pocket Internet Explorer. |
Effect of Virus Scanning on
Outlook Web Access
There is an error message that users may receive in Microsoft Office Outlook Web Access for Exchange Server 2007 when an antivirus program changes a message in the Drafts folder.
Resolving the Error
If a message in the Drafts folder in Outlook Web Access is scanned by an antivirus program and triggers a screening rule that causes the message to be modified, the user will receive a warning message when they open the message and try to modify it or send it.
To resolve this issue, instruct the user to save and close the message, and then reopen it and try again.
For More Information
For more information about browsers that Outlook Web Access Light supports, see the following Web sites:
- Opera http://www.opera.com
- Mozilla Firefox http://www.mozilla.com/firefox
- Netscape Navigator http://browser.netscape.com
- Apple Safari http://www.apple.com/macosx/features/safari/
Note:The third-party Web site information in this topic is provided to help you find the technical information you need. The URLs are subject to change without notice.
For more information about antivirus protection for Exchange 2007, see:
- Planning
Antivirus Deployment
- Planning for
Anti-Spam and Antivirus Features
- Managing
Anti-Spam and Antivirus Features
For more information about how to access public folders from Outlook Web Access, see How to Enable Users to Access Public Folders from Outlook Web Access.
For more information about Outlook Web Access client features, see Client Features in Outlook Web Access.