Finalizing the French (Canada) translation - how to copy from French?

I am finalizing and reviewing the French (Canada) translation.

How can I copy the languages-fr_CA.po file from the French languages-fr.po file ? The translations are identical for that single file.

Thanks for any advice.

In the end I finalized the translation manually. I’d still like to know how to do this for future work.

Wasn’t there download and upload option when in pootle?

I didn’t notice - will keep in mind, thanks!