![]() To determine whether Office 2016 or Office 2019 is retail or volume-licensed, use the format of the Office version and build number. The version of Windows doesn't matter, but note that Office Web Add-ins aren't supported on versions earlier than Windows 7 and Office 2021 isn't supported on versions earlier than Windows 10. The "+" on the end indicates that Office Add-ins use additional functionality from Internet Explorer 11 that isn't built into Trident itself.įor perpetual versions of Office on Windows, the browser that is used is determined by the Office version, whether the license is retail or volume-licensed, and whether the Edge WebView2 (Chromium-based) is installed. Trident+, which is provided by Internet Explorer 11.EdgeHTML, which is provided by Microsoft Edge Legacy.WebView2, which is provided by Microsoft Edge (Chromium-based). ![]() WindowsĪn add-in running on Windows might use any of three different webviews: Those add-ins use the Safari-based WKWebView or the Android-based WebView, not an Edge-based browser control. (But note that Office on the web will not open in Internet Explorer.Īttempting to do so opens Office on the web in Edge.)Ĭonditional Access is not supported for Office Add-ins on iOS or Android. Non-Windows platformsįor these platforms, the platform alone determines the browser that is used. The following sections specify which browser is used for the various platforms and operating systems. The Script Lab tool no longer supports Trident.įor more information about supporting Trident or EdgeHTML, including configuring a graceful failure message on your add-in, see Support older Microsoft webviews and Office versions.However, it only issues a warning when the add-in doesn't support these webviews the add-in isn't rejected by AppSource. AppSource still tests for combinations of platform and Office desktop versions that use Trident or EdgeHTML.Consequently, AppSource doesn't test add-ins in Office on the web on these browsers. Office on the web no longer opens in Internet Explorer or Microsoft Edge Legacy.We recommend (but don't require) that you continue to support these combinations, at least in a minimal way, by providing users of your add-in a graceful failure message when your add-in is launched in one of these webviews. So, Trident and other functionality from Internet Explorer can still be called programmatically by Office. Internet Explorer 11 was disabled in Windows 10 and Windows 11 in February 2023, and the UI for launching it was removed but it's still installed on those operating systems. ![]() Some combinations of platforms and Office versions, including volume-licensed perpetual versions through Office 2019, still use the webview controls that come with Internet Explorer 11 (called "Trident") and Microsoft Edge Legacy (called "EdgeHTML") to host add-ins, as explained in this article. Microsoft began bundling Edge with Windows 10 in 2015.Webviews from Internet Explorer and Microsoft Edge Legacy are still used in Office Add-ins Microsoft rolled out the very first version of IE in 1995, alongside Windows 95. Officials have said that there will be no extensions for IE 11 support past the stated retirement dates. Microsoft has committed to providing a one-year notice ahead of retiring IE Mode. If support for a version of Windows ends before 2029, support for IE Mode on that version also will end. Microsoft officials say support for IE Mode will follow the lifecycle of current and future Windows client, Server, and IoT releases at least through 2029. Customers should not uninstall IE completely, as IE Mode relies on IE 11 to function. Microsoft has told customers the IE desktop application will be progressively redirected to Microsoft Edge over the coming months following the June 15 support end date, and will ultimately be permanently disabled via some, as yet publicly undesignated future Windows Update. IE Mode in Microsoft Edge will be supported through at least 2029 to give web developers eight years to modernize legacy apps and eventually remove the need for IE mode, officials have said. The IE 11 desktop app is not available on Windows 11, as Edge is the default browser for Windows 11. Products not affected by this retirement include IE Mode in Edge IE 11 desktop on Windows 8.1, Windows 7 (with Extended Security Updates), Windows Server LTSC (all versions), Windows Server 2022, Windows 10 client LTSC (all versions), Windows 10 IoT LTSC (all versions). IE 11 will be retired for Windows 10 client SKUs (version 20H2 and later) and Windows 10 IoT (version 20H2 and later). ![]() Microsoft announced more than a year ago that IE would be removed from most versions of Windows 10 this year and has spent months encouraging customers to get ready by proactively retiring the browser from their organizations. Microsoft will be ending support for most versions of its Internet Explorer (IE) 11 browser on June 15.
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