M3D file icon

M3D File Extension

DIALux 3D Object Format

What is M3D file?

M3D files store 3D graphic models and are associated with DIALux modeling and light planning software. DIALux allows users to design spaces using realistic lighting sources and luminaires as well as various furniture models stored in M3D files. Project renders can be exported to 2D JPG images.

Lighting modeling and planning

DIALux 3D is a lighting design software, not an architectural design tool. It is a professional tool for light planning that focuses on natural and artificial light modeling and visualization. M3D files store complete furniture models to streamline the indoor and outdoor area design process. M3D files can also be reused across different projects that support the format.

Programs which support M3D file extension

Programs that can handle M3D files are as follows. Files with M3D suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support M3D file

Windows Windows

Updated: 02/21/2024

How to open file with M3D extension?

Being unable to open files with M3D extension can be have various origins. What is important, all common issues related to files with M3D extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install DIALux

Install software to open M3D file The most common reason for such problems is the lack of proper applications that supports M3D files installed on the system. The solution to this problem is very simple. Download DIALux and install it on your device. Above you will find a complete listing of programs that support M3D files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit DIALux website and download the installer.

Step 2. Verify the you have the latest version of DIALux

Update software that support file extension M3DIf you already have DIALux installed on your systems and M3D files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. The reason that DIALux cannot handle files with M3D may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using DIALux.

Step 3. Associate DIALux 3D Object Format files with DIALux

If the issue has not been solved in the previous step, you should associate M3D files with latest version of DIALux you have installed 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.

Associate software with M3D file on Windows

Change the default application in Windows

  • Right-click the M3D file and choose Open with option
  • Select Choose another app → More apps
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where DIALux is installed. Now all that is left is to confirm your choice by selecting Always use this app to open M3D files and clicking OK.
Associate software with M3D file on Mac

Change the default application in Mac OS

  • By clicking right mouse button on the selected M3D file open the file menu and choose Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • Finally, a This change will be applied to all files with M3D extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the M3D for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the M3D file in question. Being unable to access the file can be related to various issues.

Check M3D file for viruses
1. The M3D may be infected with malware – make sure to scan it with an antivirus tool.

If the M3D is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the M3D file is indeed infected follow the instructions below.

2. Verify that the M3D file’s structure is intact

Did you receive the M3D file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the M3D file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the DIALux 3D Object Format file again.

4. Verify that your device fulfills the requirements to be able to open DIALux

The operating systems may note enough free resources to run the application that support M3D files. Close all running programs and try opening the M3D file.

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

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with DIALux 3D Object Format files. It is possible that one of the available system or driver updates may solve the problems with M3D files affecting older versions of given software.

Do you want to help?

If you have additional information about the M3D 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 M3D file.

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