import .trx file

I was able to export to a my-project.trx file...
But i could nowhere find a possibility to import it again.

Can you tell me how to do this?

With kind regards, Hans

I have the same problem. Wheb I try to open my saved project my computer asks for an App to open it with.
And then I saved per accident the empty new project which overided my old one.
I had locally saved my project but als cannot open.