Opening OBT Files

The OBT file type is primarily associated with Openbox Theme Editor.

OBTFile Extension OBT
File extension: OBT
File type:  theme file

What is an OBT file?

OBT files mostly belong to Openbox Theme Editor. The OBT file is a compressed theme file used mainly for customizing the look of a desktop environment. It is built using GZIP compression, which means the file packs several components—like configuration data, images, and UI elements—into one archive.
Primarily, these files are used by the Openbox Theme Editor to apply and manage desktop themes. In some cases, an OBT file may also serve as a theme file for Opera Browser, thanks to its capability to bundle visual settings efficiently.
Key details summarized by FilExt.com include:
  • It is a GZIP-compressed file.
  • It contains design settings for user interfaces.
  • It can be opened with dedicated theme editors or unpacked with standard compression tools (e.g., 7-Zip).
  • FilExt.com tip: If you are working with an OBT file, using a specialized tool like the Openbox Theme Editor ensures you edit the file safely, while decompression utilities help you examine its internal structure if needed.

    How do you open OBT files?

    You need a suitable software like Openbox Theme Editor to open an OBT file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your OBT file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a OBT file directly in the browser:. Just drag the file onto this browser window and drop it.

    Online OBT Text Viewer

    Choose your .obt file to analyze

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    Programs that open and convert OBT files:

    1. Openbox Theme Editor
      See the previous paragraphs to learn more about the main application. OBT files are often referred to as Openbox Theme Editor settings because this type of file is primarily created or used by this software.
    2. Office (Binder Template) by Microsoft Corporation
      Users of Microsoft Office 2003 will need to install Microsoft Office Binder Support to open files of this type. The Mime types used with this association are: application/vnd.ms-binder, application/x-msbinder. Program ID is Office.Binder.Template, Office.Binder.Template.9 Related links: Office Binder 97 FAQ, Open an Office Binder file in Office 2003, Microsoft Office Assistance

    Technical Data for OBT File Extension

    File classification:
    Settings
    Program ID:
    Office.Binder.Template, Office.Binder.Template.9
    Related files:
    Mime type:
    application/vnd.ms-binder, application/x-msbinder

    The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

    ProgramID: Office.Binder.Template, FileType: Microsoft Office Binder Template, AppName: Microsoft Office 2000 component
    EXEFile: BINDER.EXE

    ProgramID: Office.Binder.Template, FileType: Microsoft Office Binder Template, AppName: Microsoft Office Binder

    ProgramID: Office.Binder.Template.9, AppName: Microsoft Unbind
    EXEFile: UNBIND.EXE

    ProgramID: Office.Binder.Template
    EXEFile: %ProgramFiles%\Microsoft Office\Office\BINDER.EXE

    ProgramID: Office.Binder.Template
    EXEFile: %ProgramFiles%\Microsoft Office\Office\BINDER.EXE -nologo %1

    ProgramID: Office.Binder.Template.9
    EXEFile: %ProgramFiles%\Microsoft Office\Office10\UNBIND.EXE %1

    ProgramID: Office.Binder.Template.9
    EXEFile: %ProgramFiles%\Microsoft Office\OFFICE11\UNBIND.EXE %1

    ProgramID: Office.Binder.Template.9
    EXEFile: W:\OfficeXP\FILES\PFILES\MSOFFICE\OFFICE10\UNBIND.EXE

    ProgramID: Office.Binder.Template
    EXEFile: %ProgramFiles%\Microsoft Office\Office\BINDER.EXE -geenlogo %1

    ProgramID: Office.Binder.Template
    EXEFile: %ProgramFiles%\MICROS~3\Office\binder.exe -nologo %1

    ProgramID: Office.Binder.Template.9
    EXEFile: %ProgramFiles%r\Microsoft Office\Office10\UNBIND.EXE %1

    ProgramID: Office.Binder.Template
    EXEFile: %ProgramFiles%\MSOffice95\Office\binder.exe -nologo


    an obt theme file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with OBT files

    • Associate the OBT file extension with the correct application.
    • Update your software that should actually open theme files. Because only the current version supports the latest OBT file format. Search, therefore, e.g. on the manufacturer website after an available Openbox Theme Editor update.
    • To make sure that your OBT file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
    • Click here to open your .OBT file online - secure, fast, and no downloads needed.
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