CUI File Extension

What is CUI file?

CUI filename suffix is mostly used for Autodesk Custom Workspace Format files. Autodesk Custom Workspace Format specification was created by Autodesk. CUI files are supported by software applications available for devices running Windows. CUI file belongs to the Settings Files category just like 1305 other filename extensions listed in our database. AutoCAD supports CUI files and is the most frequently used program to handle such files, yet 1 other tools may also be used. On the official website of Autodesk, Inc. developer not only will you find detailed information about theAutoCAD software, but also about CUI and other supported file formats.

Programs which support CUI file extension

Below is a table that list programs that support CUI files. Files with CUI extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

How to open file with CUI extension?

Being unable to open files with CUI extension can be have various origins. Fortunately, most common problems with CUI files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install AutoCAD software

The main and most frequent cause precluding users form opening CUI files is that no program that can handle CUI files is installed on user’s system. This issue can be addressed by downloading and installing AutoCAD or different compatible program, such as 3ds Max. Above you will find a complete listing of programs that support CUI files, classified according to system platforms for which they are available. If you want to download AutoCAD installer in the most secured manner, we suggest you visit Autodesk, Inc. website and download from their official repositories.

Step 2. Check the version of AutoCAD and update if needed

If the problems with opening CUI files still occur even after installing AutoCAD, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of AutoCAD is available. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why CUI files are not compatible with AutoCAD. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using AutoCAD.

Step 3. Associate Autodesk Custom Workspace Format files with AutoCAD

If you have the latest version of AutoCAD installed and the problem persists, select it as the default program to be used to manage CUI on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

• Right-click the CUI file and choose Open with option
• Next, select the Choose another app option and then using More apps open the list of available applications
• The last step is to select Look for another app on this PC option supply the directory path to the folder where AutoCAD is installed. Now all that is left is to confirm your choice by selecting Always use this app to open CUI files and clicking OK.

The procedure to change the default program in Mac OS

• Right-click the CUI file and select Information
• Find the Open with option – click the title if its hidden
• Select AutoCAD and click Change for all...
• A message window should appear informing that This change will be applied to all files with CUI extension. By clicking Continue you confirm your selection.

Step 4. Verify that the CUI is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper CUI file. Problems with opening the file may arise due to various reasons.

1. Check the CUI file for viruses or malware

If the file is infected, the malware that resides in the CUI file hinders attempts to open it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the CUI file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If the CUI file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the CUI file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the Autodesk Custom Workspace Format file again.

4. Make sure that the system has sufficient resources to run AutoCAD

The operating systems may note enough free resources to run the application that support CUI files. Close all running programs and try opening the CUI file.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Autodesk Custom Workspace Format files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle CUI files.

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