File extension THEMEPACK

File type Microsoft Windows 7 Theme Pack Format
Developer Microsoft
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What is a THEMEPACK file?

File with a .THEMEPACK extension contains theme – a CAB pack of elements which personalises Windows system 7, such as wallpaper, windows interface settings, cursors, icons, sounds or screensavers. They enable to share system themes, because all of the files (including those with graphic and sound) are contained within a single package, unlike the THEME files, in which the appearance settings are defined with text but they do not contain, for instance, the desktop.

THEMEPACK files are characteristic only to Windows 7, later versions can use them, but Windows 8 stores desktop compositions in files with .DESKTHEMEPACK extension. The content of a THEMEPACK file can be opened with any tool enabling unpacking CAB packages (for instance: WinZip or 7-Zip). Loading of themes is possible with the Personalisation tool available in the Control Panel of Microsoft Windows 7.

Program(s) that can open the .THEMEPACK file

How to open THEMEPACK files

If you cannot open the THEMEPACK file on your computer - there may be several reasons. The first and most important reason (the most common) is the lack of a suitable software that supports THEMEPACK among those that are installed on your device.

A very simple way to solve this problem is to find and download the appropriate application. The first part of the task has already been done – the software supporting the THEMEPACK file can be found in the table. Now just download and install the appropriate application.

Possible problems with the THEMEPACK format files

The inability to open and operate the THEMEPACK file does not necessarily mean that you do not have an appropriate software installed on your computer. There may be other problems that also block our ability to operate the Microsoft Windows 7 Theme Pack Format file. Below is a list of possible problems.

  • Corruption of a THEMEPACK file which is being opened
  • Incorrect links to the THEMEPACK file in registry entries.
  • Accidental deletion of the description of the THEMEPACK from the Windows registry
  • Incomplete installation of an application that supports the THEMEPACK format
  • The THEMEPACK file which is being opened is infected with an undesirable malware.
  • The computer does not have enough hardware resources to cope with the opening of the THEMEPACK file.
  • Drivers of equipment used by the computer to open a THEMEPACK file are out of date.

If you are sure that all of these reasons do not exist in your case (or have already been eliminated), the THEMEPACK file should operate with your programs without any problem. If the problem with the THEMEPACK file has not been solved, it may be due to the fact that in this case there is also another rare problem with the THEMEPACK file. In this case, the only you can do is to ask for assistance of a professional staff.

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How to associate the file with an installed software?

If you want to associate a file with a new program (e.g. my-file.THEMEPACK) you have two ways to do it. The first and the easiest one is to right-click on the selected THEMEPACK file. From the drop-down menu select "Choose default program", then click "Browse" and find the desired program. The whole operation must be confirmed by clicking OK. The second and more difficult to do is associate the THEMEPACK file extension to the corresponding software in the Windows Registry.

Is there one way to open unknown files?

Many files contain only simple text data. It is possible that while opening unknown files (e.g. THEMEPACK) with a simple text editor like Windows Notepad will allow us to see some of the data encoded in the file. This method allows you to preview the contents of many files, but probably not in such a structure as a program dedicated to support them.

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