The comment of #12 is right. More precisely:
If one opens Calc, then open a .odt file, "Unknown Application" appears, and the same if one opens Writer and then opens a .ods file.
If one opens Calc, then open a .ods file, "LibreOffice Calc" appears, and the same if one opens Writer and then opens a .odt file.
The comment of #12 is right. More precisely:
If one opens Calc, then open a .odt file, "Unknown Application" appears, and the same if one opens Writer and then opens a .ods file.
If one opens Calc, then open a .ods file, "LibreOffice Calc" appears, and the same if one opens Writer and then opens a .odt file.