If you have an existing PivotTable laid out the way you like, you can import those settings, otherwise you can edit them individually. Changing the default PivotTable settings will affect new PivotTables in any workbook. Existing PivotTables aren’t impacted by changes to the default layout.
Watch Doug from Office give a quick introduction to PivotTable default layout options:
To get started, go to File > Options > Data > Click the Edit Default Layout button.
Edit Default Layout options:
You can always ask an expert in the Excel Tech Community, get support in the Answers community, or suggest a new feature or improvement on Excel User Voice.
LinkedIn Learning Create PivotTables course
Create a PivotTable to analyze data
Create a PivotChart
Use slicers to filter PivotTable data
Create a PivotTable timeline to filter dates