All about QAT Files

The QAT file type is primarily associated with Office.

QATFile Extension QAT
File extension: QAT
File type:  Quick Access Toolbar Info

What is a QAT file?

QAT files mostly belong to Office by Microsoft Corporation. The Quick Access Toolbar is a customizable toolbar that contains a set of commands that are independent of the tab that is currently displayed. You can move the Quick Access Toolbar from one of the two possible locations, and you can add buttons that represent commands to the Quick Access Toolbar.

How can I open a QAT file?

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

Online QAT Text Viewer

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Trouble Opening a .QAT File? These Steps Will Help

Because .QAT files come from different programs, they aren't universally openable.

  1. Identify the Source: Exported workspace settings suggest a Microsoft Office Quick Access Toolbar Info file. Files received from developers may relate to custom testing workflows.
  2. Check the Header: Inspect the first bytes in a text or hex editor:
    • Readable XML tags often indicate an Office configuration.
    • "PK" suggests a zipped archive.
    • Scrambled characters imply a binary format.
  3. Use the Original Software: The original program is usually required. Try importing it into Microsoft Corporation's Office suite (Word, Excel), or ask the sender if uncertain.
  4. Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for QAT File Extension

Identifier:
Hex: 3C 6D 73 6F 3A 63 75 73 74 6F 6D 55 49 20 78 6D 6C 6E 73 3A 6D 73 6F, ASCII: <mso:customUI xmlns:mso (provided by TrID database)
Related files:

a qat Quick Access Toolbar Info is a special file format by Microsoft Corporation and should only be edited and saved with the appropriate software.

How to solve problems with QAT files

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