Opening a WKF File

The WKF file type is primarily associated with VISI-CAD.

WKF	File extension: WKF
	File type:	proprietary CAD model file

What is a WKF file?

WKF files mostly belong to VISI-CAD. WKF files serve two distinct functions. In most cases, they are proprietary VISI-CAD files used to store detailed drawing data. They hold technical drawing elements, including both 2D designs and 3D models, as well as associated metadata. This file type is optimized for precise design, supporting layers and hidden structural details.

VISI-CAD Usage: These files encapsulate complex model geometry and design history, requiring VISI-CAD software provided by Hexagon for accurate view and editing. More details can be found at Hexagon.

Alternate Tax Form Usage: A less common variant of WKF files is used to store tax form data in a CAP format, necessitating the TaxACT system. Additional support is available at TaxACT.

Proper handling: Open the file with the correct software. Ensure the relevant application is up-to-date to manage proprietary file structures effectively.

How to open WKF files

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

Online WKF Text Viewer

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Programs that open and convert WKF files:

VISI-CAD
See the previous paragraphs to learn more about the main application. WKF files are often referred to as VISI-CAD cads because this type of file is primarily created or used by this software.
KF Web Server (Default Control File) by KeyFocus Ltd.
KF Web Server is a free HTTP Server that can host an unlimited number of web sites. It uses an INDEX.WKF file for its control panel. This file format is classified as Text.
VISI-Series (CAD Work File) by Vero International Software
VISI-Series includes VISI-Design, VISI-Modelling, VISI-Mould, VISI-Progress, VISI-Machining 2D, VISI-Machining 3D, VISI-Imagine, and VISI-Wire. The identifying characters used for this association are - Hex: 56 49 53 49 2D 43 41 44 20, ASCII: VISI-CAD . This file format is classified as CAD/CAM.
Workbook Folders (Configuration) by DocOutlook.de
Allows for common Outlook contacts, dates, inbox, outbox, tasks, jounal, and notes. Provides reading and writing rights to several users at the same time into a central Outlook data file.

WKF file extension format:

Every file has a defined file format, i.e. how the data is arranged in the file. The file format can be deduced from the file extension and the signature. File extension, signature and file format must match; otherwise errors will occur when the file is opened. If there are problems opening a file, you must first determine the file format used. Our analysis of the WKF files produces the following result:

The WKF file extension mainly uses a special format. The file formats most commonly found in WKF files are:

90% of all WKF files are associated with VISI-serie CAD/CAM work. If you open these files in a text editor, you will see only illegible characters. Most of these files are 98 KB to 42 MB in size. The file type was developed 10 years ago and is still in use today. The files contain the following words: Created by, Date, Elements, Modified by, Revision, VISI, Title , Comment and Release. Such WKF files store data about tool, bracket, design, layout, blank, plate and mold.
3% of all WKF files are using the well-known CAP file format to store the data. CAP files are compressed archives. The first bytes (the signature) are 'MSCF' (short for MicroSoft Cabinet File). These are binary files, so they do not contain words or text. The files are 20 KB to 140 KB in size, with a median of 73 KB. The following keywords are characteristic: BaseNTFile.nt, Data.dtx, FontProperties.xml and MSCF.

All other WKF files (7%) have no consistent format. These files are often connected to form. Drag & drop your file here to see the file format and a preview of your WKF file!

Technical Data for WKF File Extension

File classification:

CAD

Identifier:

Hex: 56 49 53 49 2D 43 41 44 20, ASCII: VISI-CAD (provided by TrID database)

Related files:

dgn, step, igs, cap, tax, skp, 3dm, stp, wfk, dxf, rar, dat, zip, xlsx, dwg

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: PPIII.Document
EXEFile: %ProgramFiles%\WoltersKluwer\WKForms\CustomerApplication.exe

a wkf proprietary CAD model file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with WKF files

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