A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Hi Leonardo,
Based on your post, I found the similar links, please check the following links, see if this helps:
Use column headers as row headers in pivot table - Microsoft Community
Excel pivot table make row headers as fields not the column headers - Stack Overflow
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If you need any help, please feel free to post back.
Regards,
Neha