Back Browser Helper Object Danish Browser Helper Object German Browser Helper Object Spanish Browser Helper Object Italian Browser Helper Object Japanese 브라우저 도우미 객체 Korean ബ്രൗസർ ഹെൽപ്പർ ഒബ്ജക്ട് Malayalam Browser Helper Object Russian 浏览器辅助对象 Chinese
A Browser Helper Object (BHO) is a DLL module designed as a plugin for the Microsoft Internet Explorer web browser to provide added functionality. BHOs were introduced in October 1997 with the release of version 4 of Internet Explorer. Most BHOs are loaded once by each new instance of Internet Explorer. However, in the case of Windows Explorer, a new instance is launched for each window.
BHOs are still supported as of Windows 10, through Internet Explorer 11, while BHOs are not supported in Microsoft Edge.