Copy existing data to new already existing language

Copy existing data to new already existing language

Hello in my Joomla there are already the languages German and English installed.
My Products form the shop are all described in German.
Now I want to copy all information from the German fields into the English.
I now the system would do this automatically if I install a new language but English is already installed so how can I start this process of copying manually?

Thanks for your help

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Aw: Copy existing data to new already existing language

Problem solved!
I made the copying via phpmyadmin in the mysql database.
You only have to copy the information from one column to the empty colum