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Basic information about U3D file

When there is a problem with opening files with the file extension U3D（*.U3D or *.u3d）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the U3D file yourself.

There are 1 file types using the U3D file extension in our database. In the further part of this page, you will find detail information about all the U3D file with their brief description and a list of programs that support U3D file sorted by operating systems. The table below provides useful information about the U3D file extension. It answers questions such as:
  • What is the U3D file?
  • How to open a U3D file?
  • What programs do I need to open a U3D file?
  • What programs help to create and edit a U3D file?
  • How to convert U3D files to another file format?
  • How to convert another files to U3D file format?


1.Detail information about U3D file extension: Universal 3D File

File type Universal 3D File Category 3D Image Files
Developer 3D Industry Forum File format Binary
Description U3D file is a Universal 3D File developed by 3D Industry Forum. 3D CAD file saved in the Universal 3D File Format; standardized by Ecma International as the ECMA-363 standard; contains 3D model information, including shapes, textures, lighting, shading, and motion data; supported by many CAD and 3D graphics programs.
Software programs that will open, edit or convert U3D files

Windows		 Blender
DAZ 3D DAZ Studio 4
Smith Micro Poser 11
Adobe Photoshop CC 2017
Adobe Acrobat DC
RealWorld Icon Editor
Kubotek USA KeyCreator
Adobe Creative Suite

macOS		 Blender
DAZ 3D DAZ Studio 4
Smith Micro Poser 11
Adobe Photoshop CC 2017
Adobe Acrobat DC

Linux		 Blender



How to convert U3D files to another file format?

There are 3 records in our database eligible for U3D files to another file format conversion. If you want to achieve U3D to another files conversion, you may use the option.

U3D to C4D U3D to PCG U3D to STL


How to convert another files to U3D file format?

There are 7 records in our database eligible for another files to U3D file format conversion. If you want to achieve another files to U3D conversion, you may use the option.

STP to U3D STEP to U3D PRT to U3D C4D to U3D
IGES to U3D IAM to U3D IGS to U3D


Can't open a U3D file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.U3D”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the U3D extension without any issue.


Where I can download the application that support U3D file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of U3D files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a U3D file?

The reasons for the lack of the ability to open a U3D file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a U3D file. If there is still something wrong, you might want to check:

  • Whether the U3D file is damaged.
  • Whether the U3D file is incorrectly linked in the registry entries.
  • Whether the U3D file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the U3D file format is incompletely.
  • Whether the U3D file is infected.
  • Whether the drivers of the equipment used for opening a U3D file are up to date.
  • Whether your computer has enough hardware resources to open a U3D file.

If the U3D file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.