Opening XBAP Files

The XBAP file type is primarily associated with WPF.

XBAPFile Extension XBAP
File extension: XBAP
File type:  executable application

What is an XBAP file?

XBAP files mostly belong to WPF.

XBAP files are XAML Browser Applications defined in XML. They are built to run a Windows Presentation Foundation (WPF) app inside a web browser using the .NET Framework.
These files do not run like a typical desktop installer; they launch in a browser in a restricted security environment.

Key details sourced by FilExt.com include:

  • WPF Browser App: XBAP files host interactive applications to run directly from a web page.
  • XML Based: The file content is defined with XML markup similar to XAML, the language used for WPF layouts.
  • Security Model: They operate in partial-trust mode to limit system access and protect the user.
  • Browser Dependency: They usually require a Windows environment with Internet Explorer or another compatible browser and an updated .NET Framework.

FilExt.com tip: For more technical background on related legacy technologies, see Silverlight 5.

How to open XBAP files

You need a suitable software like WPF to open an XBAP 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 XBAP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a XBAP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online XBAP Text Viewer

Choose your .xbap file to view

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How to extract texts from XBAP files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from XBAP file or capture a preview screenshot using our online XBAP file viewer:
  1. To do this, click the button "Choose your .xbap file to view" on this page.
  2. After your file is opened in browser,
  3. click "Save as..." in the menu.
  4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
  5. Your file will be converted and downloaded.

Programs that open and convert XBAP files:

  1. WPF
    See the previous paragraphs to learn more about the main application. XBAP files are often referred to as WPF executables because this type of file is primarily created or used by this software.
  2. Silverlight (Application Package) by Microsoft Corporation
    Microsoft Silverlight is a cross-browser, cross-platform, and cross-device plug-in for delivering interactive applications for the Web. The Mime types used with this association are: application/x-ms-xbap.

XBAP format details:

To find out what program is needed to open XBAP files, you need to determine the file format. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. When there is a problem with a file, the first step to solving it is to determine the file format. Our evaluation of the XBAP files is as follows:

An XBAP file predominantly uses a uniform format. The following file formats are most commonly found in XBAP files:

The remaining 2% of all XBAP files are different files with different signatures. They are often associated with raster, intellifield, discovery, xbapp, xaml, application, signature, runtime, client, plugin or replay. Drag & drop your file here to see the file format and a preview of your XBAP file!

Technical Data for XBAP File Extension

File classification:
Executable
Related files:
Mime type:
application/x-ms-xbap

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: Windows.Xbap
EXEFile: %SystemRoot%\system32\PresentationHost.exe %*

ProgramID: Windows.Xbap.1
EXEFile: %SystemRoot%\system32\PresentationHost.exe %*

ProgramID: Windows.Xbap
EXEFile: %SystemRoot%\SysWOW64\PresentationHost.exe %*

ProgramID: Windows.Xbap
EXEFile: %SystemRoot%.0\SysWOW64\PresentationHost.exe %*

ProgramID: Windows.Xbap
EXEFile: %SystemRoot%2\system32\PresentationHost.exe %*


an xbap executable application is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with XBAP files

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