UNITY3D File Extension

UNITY3D file icon
Unity Web Player Format
  • Developer
    Unity Technologies
  • Category
  • Popularity
    3.1 (13 votes)

What is UNITY3D file?

UNITY3D file is a 3D game data archive that stores data for browser game which require Unity Web Player plugin to run., This type of file is used for creating games using the ‘Unity’ engine. Single UNITY3D holds compiled game code, including environments dara, assets, objects, textures, animations, lighting, dialogue, etc. Resources are stored in UNITY scene file.

UNITY3D file format applications

UNITY3D files enable users to run games in web browsers given that the browser has an installed Unity Web Player plugin, which runs the compiled game code.

Additional information

UNITY3D file format is a proprietary format created by Unity Technologies and is used by ‘Unity’ game engine. Unity Web Player plugin is no longer developed and supported by ‘Unity’ engine.

Programs which support UNITY3D file extension

The following list contains programs grouped by 2 operating systems that support UNITY3D files. UNITY3D files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support UNITY3D file

Windows Windows
MAC OS MAC OS

Updated: 01/07/2020

How to open file with UNITY3D extension?

There can be multiple causes why you have problems with opening UNITY3D files on given system. Fortunately, most common problems with UNITY3D 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. Get the Unity

The most common reason for such problems is the lack of proper applications that supports UNITY3D files installed on the system. To address this issue, go to the Unity developer website, download the tool, and install it. It is that easy On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Unity website and download the installer.

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

You still cannot access UNITY3D files although Unity is installed on your system? Make sure that the software is up to date. 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 UNITY3D files are not compatible with Unity. The most recent version of Unity is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open UNITY3D files to Unity

If the issue has not been solved in the previous step, you should associate UNITY3D files with latest version of Unity 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.

Selecting the first-choice application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the UNITY3D file
  • 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 Unity is installed. Now all that is left is to confirm your choice by selecting Always use this app to open UNITY3D files and clicking OK.

Selecting the first-choice application in Mac OS

  • Right-click the UNITY3D file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with UNITY3D extension. By clicking Continue you confirm your selection.

Step 4. Verify that the UNITY3D is not faulty

Should the problem still occur after following steps 1-3, check if the UNITY3D file is valid. It is probable that the file is corrupted and thus cannot be accessed.

1. Check the UNITY3D file for viruses or malware

If the file is infected, the malware that resides in the UNITY3D 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. UNITY3D file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

Did you receive the UNITY3D 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 UNITY3D 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 Unity Web Player Format file again.

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

The operating systems may note enough free resources to run the application that support UNITY3D files. Close all running programs and try opening the UNITY3D file.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Unity Web Player Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle UNITY3D files.

Do you want to help?

If you have additional information about the UNITY3D 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 UNITY3D file.

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