Can I open a unity project done with unity 4 with previous versions of unity??

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I want to open a my project which done with unity 4 with previous versions of unity for some reasons… can i do that??

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I dont believe so. Once you open the project in a new version of Unity it will convert to that version. I believe only if you have the pro license, then you can use backward compatibility.

No, it's not any different in Pro.

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thanks....

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Yes, they dropped forward compatibillity completely which is a bit annoying but you have to understand that it's hard to create something in the past that can handle all things that might be implemented in a future version.

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There's never been any forward compatibility actually. (Between major versions anyway. There's frequently, but not always, forward compatibility between minor versions.)

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thanks guys..problem solved....thanks for your support...maybe you can help [here][1] [1]: http://forum.unity3d.com/threads/179989-How-to-create-a-checkbox-preference-regarding-image-effects?p=1230682#post1230682

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