Supported browsers for Outlook Web App

Outlook Web App lets you sign in to your email account from almost any device that can connect to the Internet, including laptop and desktop computers, smartphones, and tablets.

In this article


Using Outlook Web App on desktop and laptop computers

For the best experience with Outlook Web App, use one of the operating system and browser combinations labeled “Best”. Outlook Web App is supported by other operating system and web browser combinations, but not all features will be available. Some browsers will support only the light version of Outlook Web App.

  • Best: All features will work.
  • Good: Most features will work.
  • Light: The browser will display the light version of Outlook Web App.

Windows operating systems

Web browser Windows XP and Windows Server 2003 Windows Vista and Windows Server 2008 Windows 7 Windows 8
Internet Explorer 7 Light Not available Not available Not available
Internet Explorer 8 Good Good Good Not available
Internet Explorer 9 Not available Best Best Not available
Internet Explorer 10 Not available Not available Best – plus offline access Best – plus offline access
Internet Explorer 11 Not available Not available Not available Best – plus offline access
Firefox 17 to Firefox 22 Good Good Best Best
Firefox 23 or later versions Best – plus offline access Best – plus offline access Best – plus offline access Best – plus offline access
Safari 5 or later versions Light Light Light Light
Chrome 24 or later versions Good – plus offline access Good – plus offline access Best – plus offline access Best – plus offline access

 Note    In previous versions, Outlook Web App had built-in spell checking. In the latest release, Outlook Web App relies on the web browser for spell checking, which Internet Explorer prior to version 10 doesn’t provide.

Other operating systems

Web browser Mac OS X v10.5 and 10.6 Mac OS X v10.7 Linux
Firefox 17 to Firefox 22 Best Best Best
Firefox 23 or later versions Best – plus offline access Best – plus offline access Best – plus offline access
Safari 5 Good Not available Not available
Safari 6 or later versions Not available Best – plus offline access Not available
Chrome 24 or later versions Best – plus offline access Best – plus offline access Best – plus offline access

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Using OWA for iPhone or OWA for iPad

If you have an Office 365 account and are using an iPhone or iPad, you may be able to use the OWA for iPhone or OWA for iPad app to access your account. The OWA for iPhone and OWA for iPad apps simplify signing in to your account and allow you to access your account even when you don’t have an Internet connection.

You can download OWA for iPhone and OWA for iPad from the Apple App Store by searching for OWA for iPhone or OWA for iPad. To learn more about installing OWA for iPhone or OWA for iPad see OWA for iPhone in the Apple Store and OWA for iPad in the Apple Store.

To use OWA for iPhone or OWA for iPad you’ll need:

Device OS
iPhone 4s or later versions iOS 6 or later versions
iPad 2 or later versions iOS 6 or later versions

To learn more about OWA for iPhone and OWA for iPad, see Blog - OWA for iPhone and OWA for iPad.

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Using Outlook Web App on smartphones and tablets

You can use the web browser on your device to sign in to Outlook Web App.

  • Best: All features for smartphones and tablets will work.
  • Light: The browser will display the light version of Outlook Web App.
Device Application Support
Windows 8 tablet Web browser Best
Windows Phone 8 Web browser Best
iOS 6 or later versions for iPhone 4s or later versions Web browser Best
iOS 6 or later versions for iPad 2 or later versions Web browser Best
All other smartphones and tablets Web browser Light

 Note    The OWA for iPhone or OWA for iPad app is recommended instead of using your iPhone’s or iPad’s browser.

 Note    If you set the browser on your Windows Phone 8 to desktop mode, you’ll see the light version of Outlook Web App.

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What else do I need to know?

Other operating system and browser combinations may display the light version of Outlook Web App. If you’re not using a combination that is listed as Best in the tables above, and are having issues using Outlook Web App, please update your web browser.

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Applies to:
Microsoft Outlook Web App for Office 365 operated by 21Vianet - Small Business, Outlook Web App, Outlook Web App for Office 365 Enterprise, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App for Office 365 Small Business