Legacy Browser Support

Legacy Browser Support

Deploy Firefox for your organization while supporting legacy browsers.

What is Legacy Browser Support?
"Legacy Browser Support" is a Firefox add-on designed for enterprises using Windows. It facilitates the loading of certain URLs in legacy browsers like Internet Explorer. The add-on requires installation of native components, followed by using group policy for designating URLs to open in other browsers.
Rating: 4.50 (4)
Version: 0.4 (Last updated: 2019-11-28)
Creation date: 2019-06-04
Weekly download count: 8
Firefox on Android: No
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • storage
  • tabs
  • webRequest
  • webRequestBlocking
  • nativeMessaging
  • http://*/*
  • https://*/*
Size: 80.42K
Stats date:

Other platforms

Not available on Chrome
Not available on Edge
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The add-on can be used by enterprises on Windows to support loading certain URLs in other web browsers, including Internet Explorer.

In order to function properly, you must also install the native components which are available here in early release:


and then use group policy to designate URLs to open in other browsers.

User reviews
欢迎光临翻墙部落! 打开天窗,听听外面的声音! 穿越迷雾,寻找人生真谛! https://github.com/osurf/jzdy/blob/master/README.md?
by 翻墙部落, 2022-12-27
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Risk impact

Legacy Browser Support is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Legacy Browser Support if you trust the publisher.

Risk likelihood

Legacy Browser Support has earned a fairly good reputation and likely can be trusted.

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