This is not and would never be an NVDA function, but a function of Windows.

And it's amazing how easy this answer is to find via a web search.  Start here: https://www.tenforums.com/tutorials/138736-move-open-app-one-virtual-desktop-another-windows-10-a.html

Then, if that's not enough, start cruising through the results from, https://duckduckgo.com/?q=move+running+app+between+virtual+desktops+Windows+10, yourself.

This topic is now locked.  It belongs on the Windows 10 for Screen Reader Users group, but it's not at all related to NVDA or any other screen reader.
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Brian - Windows 10 Pro, 64-Bit, Version 1909, Build 18363  

Science has become just another voice in the room; it has lost its platform.  Now, you simply declare your own truth.

      ~ Dr. Paul A. Offit, in New York Times article, How Anti-Vaccine Sentiment Took Hold in the United States, September 23, 2019