SharePoitn 2016 Farm Offline

[Zed]

We have SharePoitn 2016 Farm Offline
Can I create a list with the PowerApps form on Test environmental ( Office 365)

then
create list templet (stp)

and

trasfer to SharePoitn Farm offline?

Zed

which is connected to the internet

[Zed]

Updates go only through WSUS management by a higher department of the institution 

[Zed]

any ideas

I will be grateful for your suggestions

Zed