DLO File Extension

DLO file icon
3ds Max Plug-in
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What is DLO file?

Full format name of files that use DLO extension is 3ds Max Plug-in. 3ds Max Plug-in format was developed by Autodesk. Files with DLO extension may be used by programs distributed for Windows platform. DLO file format, along with 140 other file formats, belongs to the Plugin Files category. 3ds Max is by far the most used program for working with DLO files.

Programs which support DLO file extension

Programs that can handle DLO files are as follows. DLO files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support DLO file

Windows Windows

How to open file with DLO extension?

Problems with accessing DLO may be due to various reasons. What is important, all common issues related to files with DLO extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install 3ds Max

The main and most frequent cause precluding users form opening DLO files is that no program that can handle DLO files is installed on user’s system. The solution is straightforward, just download and install 3ds Max. Above you will find a complete listing of programs that support DLO files, classified according to system platforms for which they are available. The safest method of downloading 3ds Max installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Check the version of 3ds Max and update if needed

If you already have 3ds Max installed on your systems and DLO files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why DLO files are not compatible with 3ds Max. The latest version of 3ds Max should support all file formats that where compatible with older versions of the software.

Step 3. Assign 3ds Max to DLO files

If the issue has not been solved in the previous step, you should associate DLO files with latest version of 3ds Max you have installed on your device. The method is quite simple and varies little across operating systems.

Change the default application in Windows

  • Right-click the DLO file and choose Open with option
  • Click Choose another app and then select More apps option
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the 3ds Max installation folder. Confirm by checking Always use this app to open DLO files box and clicking OK button.

Change the default application in Mac OS

  • From the drop-down menu, accessed by clicking the file with DLO extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select 3ds Max and click Change for all...
  • A message window should appear informing that This change will be applied to all files with DLO extension. By clicking Continue you confirm your selection.

Step 4. Check the DLO for errors

Should the problem still occur after following steps 1-3, check if the DLO file is valid. Problems with opening the file may arise due to various reasons.

1. Verify that the DLO in question is not infected with a computer virus

Should it happed that the DLO is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. DLO file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with DLO extension is complete and error-free

Did you receive the DLO file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with DLO extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle 3ds Max

If the system is under havy load, it may not be able to handle the program that you use to open files with DLO extension. In this case close the other applications.

5. Ensure that you have the latest drivers and system updates and patches installed

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with 3ds Max Plug-in files. It may be the case that the DLO files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the DLO file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on DLO file.

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