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Email Security: URL Defense - Supported Browsers

This document outlines the recommended browsers for use with URL Defense.

Recommended Browsers

As of January 2023, URL Defense is fully supported on the following web browsers:

  • Chrome - version 87 or later
  • Firefox - version 83 or later
  • Microsoft Edge - All versions supported by the Microsoft Edge Lifecycle Policy
  • Safari - version 14 or later

Unsupported browsers may work for most links but if you encounter errors we will not be able to open a support case with the vendor to resolve the issue. The recommended workaround is to open the link with one of the supported browsers.

URL redirect failures from unsupported browsers are likely to result in the following landing page:

Proofpoint unsupported browser landing page



Keywordsmicrosoft ms office365 o365 m365 email rewrite wrapping proofpoint browser firefox chrome safari edge duckduckgo brave chromium vivaldi opera error link urldefense.com   Doc ID132652
OwnerO365 S.GroupMicrosoft 365
Created2023-11-08 11:05:18Updated2024-02-26 07:07:37
SitesDoIT Help Desk, Microsoft 365
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