HTM File - opening and understanding

Did your computer fail to open a HTM file? We explain what they are used for and recommend software that we know can open or otherwise handle your .HTM files.

What is a HTM file?

Files that contain the .htm file extension usually hold HTML web page files. These files are used to format and display images and text in a user's Web browser.

An HTM file contains HTML markup code that is stored in a plain-text format. HTML stands for Hypertext Markup Language. The HTML language allows a website designer to create structured documents by creating headings, paragraphs, lists, bullets, links and quotes using the HTML language.

Files with the .htm extension are just like files with the .html extension. The .htm extension was introduced with the use of certain Web development software applications like Microsoft FrontPage and Expression Web.

How to open HTM files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension HTM for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different HTM openers which you will find listed below.

Suggest another file format using extension HTM

While we know of one file format using the .HTM file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .HTM file.

Various viewers for this file format

These apps are known to open certain types of HTM files. Remember, different programs may use HTM files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Google ChromeGoogle ChromeUser submitted
OpenOffice.org CalcOpenOffice.org CalcUser submitted
OpenOffice.org WriterOpenOffice.org WriterUser submitted
OperaOperaUser submitted
LibreOfficeLibreOfficeUser submitted
Swing BrowserSwing BrowserUser submitted
SafeZoneSafeZoneUser submitted
Comodo DragonComodo DragonUser submitted
ChromiumChromiumUser submitted
MaxthonMaxthonUser submitted
We have not verified any software that we know for certain will work with HTM-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with HTM-files. If you know one, please use the 'Suggest a program' link below and tell us about it!