Opening a KAT File

The KAT file type is primarily associated with CCH ProSystem fx Tax.

KATFile Extension KAT
File extension: KAT
File type:  data file

What is a KAT file

KAT files mostly belong to CCH ProSystem fx Tax. The KAT file is a tax data file used by the CCH ProSystem fx Tax system from OneSource Tax Engine. It is not a plain text file but a specially structured data file meant to hold tax records and configuration details for processing tax returns.
  • Purpose: Store tax information for computation and management.
  • Usage: Intended for use within a professional tax preparation environment.
  • Access: Must be opened with the specific CCH ProSystem fx Tax software.
  • FilExt.com tip: The internal format is proprietary, ensuring that tax data remains secure and accurate. This design is tailored for the complexities of tax preparation and helps prevent unauthorized editing or corruption of sensitive financial data.

    How to open KAT files

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

    Online KAT Text Viewer

    Choose your .kat file to analyze

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    Programs that open and convert KAT files:

    1. CCH ProSystem fx Tax
      See the previous paragraphs to learn more about the main application. KAT files are often referred to as CCH ProSystem fx Tax data files because this type of file is primarily created or used by this software.
    2. Katorzer
      A 16-bit Windows loop - music maker software; a Windows application used to play MIDI-parameters with mathematical functions; the parameters move in loops that the user can place along a TimeCode. Yan Terrien worked on Katorzer. The identifying characters used for this association are - Hex: 4B 61 54 6F 72 5A 65 72, ASCII: KaTorZer. This file format is classified as Audio.

    Technical Data for KAT File Extension

    File classification:
    Data
    Identifier:
    Hex: 4B 61 54 6F 72 5A 65 72, ASCII: KaTorZer (provided by TrID database)
    Related files:
    tax, ctf, psfx, ktm, rar, z, m4v, lzs, zip, dwg, 7z, txt, pdf, dat, xml

    a kat data file is a special file format and should only be edited and saved with the appropriate software.

    How to solve problems with KAT files

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