If I try to open the same document, I get a warning

Capture.JPG



If I have 3 open, and control-W, only the 'active' (aka 'current') one closes

Capture3.JPG

Control_W

Capture4.JPG



There is the [Reload on Save] option that I leave 'set'

Capture2.JPG




I've found the author to be very responsive

https://github.com/fernandreu/office...-editor/issues




BTW, I'm using:

Version: 1.6.0.493
Runtime:
.NET Framework 4.8.4075.0
Operating System: Microsoft Windows 10.0.18363