changing type of files

i have a .unity file ( game scene ) and i want to upload to website, that website only accept .unity3d file…
i don’t know what to do to make .unity file to .unity3d file… HELP !

Should be an easy fix.

  1. Open the project.
  2. In the top left click on the file menu
  3. Click on the build option
  4. Choose Web build
  5. Once it converts your project and does what it needs to, click “Build” in the build menu.
  6. Now you should have a compiled Web build (.unity3d file)

A video from Unity how to build a web player.