Set new project folder

Hi,
Where do you choose another standard project folder when you import a new midi-file?

Removed because it was wrong. Sorry about that.

That´s wrong - “save as” does not choose a new project folder !
@OP: You mean when your are asked, if you want to create a new project?

Now I remember - File → Back up Project = creates a new project folder where you can save the project file.