OWA User-Agent

Allow the full version of Outlook Web Access (OWA) to be used in Chrome/Chromium in Linux, FreeBSD, and OSX.

What is OWA User-Agent?

OWA User-Agent is a Chrome extension that allows users to use the full version of Outlook Web Access (OWA) in Chrome/Chromium on Linux, FreeBSD, and OSX. It replaces the Linux user agent string with a Windows one, enabling a better OWA experience for Linux and possibly OSX users. This open source extension is designed to work seamlessly with OWA URLs containing /owa/.

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Extension stats

This extension was removed from Chrome Web Store on 2022-06-18

By: http://jamiesonbecker.com

Users: 5,000+

Rating: 4.33 (42)

Version: 0.1.1 (Last updated: 2017-06-18)

Creation date: 2017-06-18

Risk impact: High risk impact

Risk likelihood: High risk likelihood

Manifest version: 2

Permissions:

webRequest
webRequestBlocking
*://*/owa/*,*://*/OWA/*
tabs

Size: 11.98K

URLs: Website

Other platforms

Not available on Firefox

Not available on Edge

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Extension summary

Analyze keywords

The problem: Microsoft Outlook Web Access sniffs the User Agent HTTP header* to see if the user is using Windows and delivers a poorer experience without.

The solution: OWA-User-Agent is a simple plugin for Chrome that replaces the Linux UA string with one that is marked Windows so that full OWA can be used from within Linux and possibly OSX.

This is open source software. Sources available here: https://github.com/jamiesonbecker/owa-user-agent

No changes needed -- if the OWA URL contains /owa/ then it will work. Tested against two different enterprise installations of OWA.

For exactly this reason, the W3C considers user agent sniffing to be bad practice.

User reviews

Seems that the only way to use OWA is with this extension. Not happy that Microsoft has a user-agent sniffer to deliver worse performance on non Windows systems, but that's typical Microsoft behavior. This extension is a must have.

Don M, 2019-03-21

Simple and effective.

Brian Thompson, 2019-03-21

Thank God as I was ready to ship my new Google Slate back as any android app does not offer spell check so NO EMAIL CLIENTS will work for me. Total BS. This app now provides me to access my work email with a MUCH more enhanced version. THANK YOU