Open THM File format – Programs and How to

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


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

Default file extension for .thm file type:
Sony Ericsson mobile phone theme files
THM file suffix is a format related to themes used in Sony Ericsson mobile phones.
that open thm files:
  • Sony Ericsson PC Suite (Microsoft Windows)
  • Sony Ericsson Theme Creator (Microsoft Windows)
  • Theme Creator Pro for Sony Ericcsson (Microsoft Windows)


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.

that open thm files:
  • ACDSee Photo Manager (Microsoft Windows)
  • Linux operating systems (Linux)
  • Mac OS X (Apple OS X)
  • Microsoft Windows (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.

that open thm files:
Messenger Plus! Live (Microsoft Windows)
Windows Live Messenger (multiplatform software)


MS Clipart Gallery database
Gallery database files.
Software: Microsoft Windows (Microsoft Windows) configuration files
The THM file extension is used by for its configuration files.
Software: (multiplatform software)


Serif DrawPlus theme files
The THM file extension is used for themes used by DrawPlus.
Software: DrawPlus (Microsoft Windows)


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.