There are 2 buttons: Export level, import file. The first one converts a level to a .lvl file, which can be shared like any other file, the other imports such a file and pushes it to the top of your ...
ExcelTable is a pipelined table interface to read Excel files (.xlsx, .xlsm, .xlsb, .xls, .xml), ODF spreadsheet files (.ods), and flat files (delimited or positional) as if they were external tables.