What is and How to Open THM File in Windows, MAC and online

Sony Ericsson mobile phone theme definition and 8 other types and linked programs information.


The File extension thm format is used by the following type(s):

Default file extension for .thm type:

Sony Ericsson mobile phone theme filesTHM suffix is a format related to themes used in Sony Ericsson mobile phones.Programs
that open thm files:

  • Sony Ericsson PC Suite
  • Sony Ericsson Theme Creator (Microsoft Windows)
  • Theme Creator Pro for Sony Ericcsson


Default file extension for .thm type: Thumbnail bitmap image files

The THM file extension is used for thumbnail images, a small bitmaps used by various applications, such as Picture Publisher or PhotoMagic Thumbnail.

Thumbnails are reduced-size versions of pictures, used to help in recognizing and organizing them, serving the same role for images as a normal text index does for words. In the age of digital images, visual search engines and image-organizing programs normally use thumbnails, as do most modern operating systems or desktop environments, such as Microsoft Windows, Mac OS X, KDE, and GNOME.

Also used by several digital cameras made by Olympus or G3.

Programs that open thm files:

  • ACDSee Photo Manager (Windows)
  • Linux operating systems (Linux)
  • Mac OS X
  • Microsoft Windows

Messenger Plus! skin resource files

The THM file extension is also used by Messenger Plus! installed in Windows Vista OS. Its used for separate resource archive that contains skins (themes).

Typically found in C:\Program Files\Windows Live\Messenger\ folder as msgrvsta.thm file.

Programs that open thm files:

  • Messenger Plus! Live
  • Windows Live Messenger (multiplatform software)

MS Clipart Gallery database

Gallery database files.


  • Microsoft Windows

OpenOffice.org configuration files

The THM file extension is used by OpenOffice.org for its configuration files.Software:OpenOffice.org (multiplatform software)

Serif DrawPlus theme files

The THM file extension is used for themes used by DrawPlus.Software:DrawPlus


Thermwood Mastercam macro files

The THM file suffix is associated with the Thermwood Mastercam. File contains macro.


Video Thumbnail files

The THM file extension is used for video thumbnail files generated by some applications or devices, such as Sony Ericsson mobile phones, or Apple iPhone smartphones.