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.HTM File Extension

File TypeHypertext Markup Language File

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Rare Uncommon Average Common Very Common
CategoryWeb Files


This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

What is a HTM file?

An HTM file is an HTML web page used by web browsers. It contains markup code that is stored a plain text format and is used to display and format text and images in a web browser.

More Information

HTM files serve the exact same purpose as .HTML files. The ".htm" extension arose with the use of Microsoft web development software, such as FrontPage, SharePoint Designer, and Expression Web.

HTM files are much less commonly seen than HTML files.

Open and view .HTM files with File Viewer Plus.
Programs that open HTM files
File Viewer Plus
Microsoft Internet Explorer
Other Web browser
Adobe Dreamweaver CC 2015
Adobe ColdFusion Builder
Microsoft Visual Web Developer
Microsoft Visual Studio 2015
Microsoft Notepad
Any text editor
Apple Safari
Mozilla Firefox
Other Web browser
Adobe Dreamweaver CC 2015
Adobe ColdFusion Builder
Any text editor
Any Web browser
Any text editor
File Viewer for Android
Updated 4/27/2016

.HTM Extension Information

This page contains information about the file extension HTM and its known file associations. Our goal is to help you understand what a *.htm file is and how to open it.

The Hypertext Markup Language file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

If you would like to suggest any additions or updates to this page, please let us know.