I've seen references to the fact that Alteryx Developer 2018.1 (I'm using the non-Admin version) is able to recognize Excel's .xlsb file format as a data input source. However, I don't see that format in the dropdown list of available data files, and choosing any other source I've tried doesn't recognize the xlsb files either.
How does one use an Excel .xlsb format file as a data source in Alteryx Developer 2018.1?