Linked tables and Slicer in excel

Question

I can not create a slicer in excel that filters not only by the main table, too by a secondary table that should be linked with the first table with a field key that is the refe

Answer 1

If you have Excel 2013 or above, you can import both tables and add them to data model. then you can link those two tables in data model with a field key. After that you can use slicer on lookup table to filter both tables.