Opening a CUS File

The CUS file type is primarily associated with Game editor.

CUS	File extension: CUS
	File type:	custom data file

What is a CUS file?

CUS files mostly belong to Game editor. Overview: A CUS file is a custom data file. Most are used for game character customization, but the extension is also used in other fields.
Key Uses:

Game Customization: This file usually holds data that changes a game character's looks or settings. Some games, like Elsword, use CUS files for these purposes. You can find more details on the Elsword site here.

Automotive Testing: In some cases, CUS files act as a CANoe User Set. These files store data for vehicle network communication tests, as seen in Renault CAN data files. More information is available from the vendor here.

Voice Control Customization: Another use is to hold data for Amazon Alexa Custom Skills. Developers use these files for defining skill settings. Visit the Alexa developer site here for details.

Compressed Imaging Data: Sometimes, CUS files are compressed files (using 7z compression) that store ultrasound or DICOM images. To open these, the 7-Zip tool is often used. Check out 7-Zip here for more info.

How to Open and View:
FilExt.com notes: If you have a CUS file, use the program that created it. For game customization files, launch the game or its editor. For CANoe and voice control files, use the specific development software. If the file is compressed, try opening it with 7-Zip. Always make a backup before making changes.

How can I open a CUS file?

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

Online CUS Text Viewer

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Online File Viewer

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Programs that open and convert CUS files:

Game editor
See the previous paragraphs to learn more about the main application. CUS files are often referred to as Game editor games because this type of file is primarily created or used by this software.
AutoCAD (Custom Dictionary) by Autodesk, Inc.
Program ID is AutoCADCustomDictionary, AutoCADLTCustomDictionary
ConciseURI (Syntax) by Clear Methods, Inc.
A ConciseURI is a URI that uses the ConciseURI syntax for representing the query data in a URI or POST body in an HTTP transaction. ConciseURI syntax is a data encoding-scheme that compatible with the URI/URL specification that is used in the majority of HTTP requests, yet ConciseURI syntax supports the representation of hierarchial data structures and complex data types. ConciseURI can be used to represent XML-like data in a URI/URL. The Mime types used with this association are: text/cus. This file format is classified as XML.
Medlin Accounting (Customer Data) by Medlin Accounting
Payroll Mate 2008 (Customer Data) by RealTaxTools.com

Technical Data for CUS File Extension

File classification:

Game

Program ID:

AutoCADCustomDictionary, AutoCADLTCustomDictionary

Related files:

cus_rul, fw2, cus declaration form, cusbackup, fw3, pix, cuc, zip, jpg, bak, rpa, dwg, cgm, pnt, cfg, ini, xml, dat, 7z

Mime type:

application/octet-stream

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: AutoCADCustomDictionary
EXEFile: %SystemRoot%\NOTEPAD.EXE %1

ProgramID: AutoCADLTCustomDictionary
EXEFile: %SystemRoot%\NOTEPAD.EXE %1

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

How to solve problems with CUS files

Associate the CUS file extension with the correct application.
Update your software that should actually open custom data files. Because only the current version supports the latest CUS file format. Search, therefore, e.g. on the manufacturer website after an available Game editor update.
To make sure that your CUS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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