Fire particles not visible in the exported movie, but visible in the editor window

[MaarVFX]

I actually figured it out. It might not be the universal solution in every case, but worked in mine.
I put it in the Rendering section. Here:

SOLVED: Exponential Height Fog not rendering in Sequencer

That’s solved! For all the newbies like myself who came across this issue. When you hit play in the Sequencer your viewport activates Game View mode, which hides all the sprites and controls, but is also adjustable. To fix the issue: Activate your GameView mode by pressing “G” in the viewport or by selecting “Game View” from the top left corner menu of your viewport. If your volumetrics disappear, you’ve just found the culprit! [Left Menu] While in Game View, go to the “SHOW” menu. Mos…