Downgrade project from 7.3 to 7.x

[Lexie1]

Hi, 

By mistake I opened project in higher version(7.3) Is it posible to downgrade project version from 7.3 to 7.0 or 7.1? 

This is important to me and I will be grateful for your help

I use Talend Open Studio For ESB. 

Thanks

[manodwhb]

@Lexie , you install 7.1 version open stuido and open the project from initial step. it should work.