Switch Outlook Web App to use the 'light weight', classic look for lower bandwidth consumption or other reasons


Outlook Web App is a fantastic web-based email client for Exchange Online. It's almost as full-featured as the desktop version, allows offline mail access, and provides a high level of customization.

It is, however, somewhat bandwidth-hungry. To help with this issue, and also address older browser needs and provide some accessibility features, the full-featured version of OWA can be switched to a 'light-weight' classic version of OWA. To do so, follow these steps:

Sign in to OWA, and click on the settings gear in the upper right to get to the menu. Then click on Options:

In the Options screen, click on General and then Outlook on the web version:

Now check the Use the light version of Outlook on the web, and then click on SAVE:

Note that you will need to sign out and sign back in to see your changes. To sign out, click on the icon/avatar (or picture, if you've set one!) in the upper right of the browser, and choose "Sign out".


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