---
author: dansimp
ms.author: dansimp
ms.date:  04/23/2020
ms.reviewer: 
manager: dansimp
ms.prod: edge
ms.topic: include
---

[Microsoft browser extension policy](/legal/microsoft-edge/microsoft-browser-extension-policy):
This article describes the supported mechanisms for extending or modifying the behavior or user experience of Microsoft Edge and Internet Explorer, or the content these browsers display. Techniques that aren't explicitly listed in this article are considered to be **unsupported**.