This is the section of the guide which explains where the worlds / templates are stored and how to change that position to a different one if desired:

https://docs.google.com/document/d/1rAeuk7qFinUyPRJGk4x6Dim3rmQN2zoLaR3PNR0roU4/edit?tab=t.0#heading=h.if82jhqytgm3

The guide is linked by the game help pages, which in turn are linked by the game via various "?" and "Help" buttons.

If needed I can provide live support on Discord - entuland#7134