Office productivity software suites based on the Open Document Formats certainly should be able to access files like the .odf documents and save them to other formats used by commercial programs like XLS spreadsheets from Microsoft Excel.
Convert Open Document Interchange Format (ODIF) to Microsoft Excel 97 to 2003 workbook.
We have found one software suitable in our database for this conversion.
Apple macOS / Mac OS X software - convert odf to xls on OS X
NeoOffice is an office productivity software for Mac OS X created as an alternative to OpenOffice.org. It has everything needed for common office including word processor, spreadsheet, presentation program, and graphics program.
Convert from odf file
to xls file
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.