Copy an ODF file to the desktop -- Writer .odt, or Calc .ods--
Right mouse click and select "Open with"
On the context menu select "Choose another app"
On the selection dialog -- if a LibreOffice module does not show at the top
meaning it is associated with the file type, in the "Other options"
Also
there is a setting in LibreOffice that you may want to look at.
go to "Tools - Options - Load/Save - Microsoft Office
and make sure the boxes are checked.
Here is a question - what currently opens up for your document[s] if not
LibreOffice after it was installed?
I run Win10 on
