File Type Hypertext Markup Language File IconHypertext Markup Language File
File Format Standard
Usage Open manually; may be referenced by an application
Rank ★ ★ ★  Common

HTML Web page that contains code which displays and formats text and images in a Web browser; ".htm" is the extension typically used by Microsoft FrontPage or newer Microsoft Web development programs such as SharePoint Designer and Expression Web.

HTM files are more commonly seen with the file extension .HTML.

Open With

IconMicrosoft Internet Explorer

IconOther Web browser

IconAdobe Dreamweaver


IconApple Safari

IconMozilla Firefox

IconOther Web browser


IconAny Web browser

IconAny text editor

Updated 2007