THM File - opening and understanding

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

What is a THM file?

THM files are small images that are usually used on the Internet for clip art and in online image galleries or image galleries that are contained on a user's hard drive or camera. These images are commonly referred to as thumbnails. They are also created by a variety of photo and video editing applications. Some digital cameras use the .thm extension to save small icons of the photographs that have been captured by the user's digital camera.

The .thm extension is also used by the OpenOffice Open Source software to store the software's configuration application. OpenOffice is a freeware application that is commonly used as an alternative to the applications that are available in the Microsoft Office suite.

How to open THM 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 THM for different purposes.

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

Suggest another file format using extension THM

While we know of one file format using the .THM 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 .THM file.

Various viewers for this file format

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

Final Media PlayerFinal Media PlayerUser submitted
Free File ViewerFree File ViewerUser submitted
Microsoft Windows Media PlayerMicrosoft Windows Media PlayerUser submitted
Zoner Photo StudioZoner Photo StudioUser submitted
RealPlayerRealPlayerUser submitted
QuickTimeQuickTimeUser submitted
Picasa Photo ViewerPicasa Photo ViewerUser submitted
DVD Architect ProDVD Architect ProUser submitted
PowerDVDPowerDVDUser submitted
ThermoManagerThermoManagerUser submitted
We have not verified any software that we know for certain will work with THM-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 THM-files. If you know one, please use the 'Suggest a program' link below and tell us about it!