xlsx2csv - 1:0.7.4+git20181115.89ffd7d-1 main

xlsx files are zip archives where spreadsheet data is stored. In
order to process a file, various bits inside the archive need to be
located. This utility uses the Expat SAX parser to collect the strings
into a simple dictionary, keyed by their relative position in the XML
file. This makes it possible to process files of any size.