How to open .UNITY3D file extension?

If you cannot open a new file that has been saved in the .UNITY3D format you need to download the appropriate software. The manufacturer of .UNITY3D files is Unity Technologies; .UNITY3D files belong to the Game Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .UNITY3D files. Activities performed in the order described should solve the problems with all the files in the .UNITY3D format.

• What is .UNITY3D file?
• How to open .UNITY3D file?
• What is .UNITY3D file?