WebView Control


IE 11

At the moment Office Add-ins are running in IE11.
IE11 does not support ES 2016.
Office add-ins are run inside a web control that is built-in to the operating system and browser.


PlatformWeb Control
WindowsIE11 / Trident
MacWebKit 2
iOSWebKit 2
AndroidChronium
OnlineBrowser (Edge, Chrome, Firefox, Safari)

Edge WebView

This is available on Windows 10.
Supports all HTML5 features.
Support for ES 2016 and above.


Windows 10 version 19XX and Office 16.0.11326.2000 + will default to using the new Edge WebView control


Originally available to Office Insiders and Windows Insiders.
Publicly available from April / May 2019.



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