"Not to Add" geoprocessing results into map

[MilošSedláček]

Enable Option "Not to Add" geoprocessing result into map (TOC) after "Split by Attributes"

[DuncanHornby]

Are you aware you can control many aspects of how a tool interacts with the application through the Options dialogue?

[MargaretCrawford]

The previous commenter is correct. You can uncheck  the "Add output datasets to an open map" in the Geoprocessing Options dialogue. 

https://pro.arcgis.com/en/pro-app/latest/help/analysis/geoprocessing/basics/geoprocessing-options.ht...