I replaced Excel’s PivotTables with this extremely overpowered tool and haven’t looked back
https://www.makeuseof.com/excel-power-pivot-better-than-pivottables/
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Power Pivot – Overview and Learning – Microsoft Support
https://support.microsoft.com/en-us/office/power-pivot-overview-and-learning-f9001958-7901-4caa-ad80-028a6d2432ed
Start the Power Pivot add-in for Excel – Microsoft Support
https://support.microsoft.com/en-us/office/start-the-power-pivot-add-in-for-excel-a891a66d-36e3-43fc-81e8-fc4798f39ea8
Get started with Power Pivot in Microsoft Excel – Microsoft Support
https://support.microsoft.com/en-us/office/get-started-with-power-pivot-in-microsoft-excel-fdfcf944-7876-424a-8437-1a6c1043a80b
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Power Pivot: overzicht en informatie – Microsoft Ondersteuning
https://support.microsoft.com/nl-nl/office/power-pivot-overzicht-en-informatie-f9001958-7901-4caa-ad80-028a6d2432ed
De Power Pivot-invoegtoepassing voor Excel starten – Microsoft Ondersteuning
https://support.microsoft.com/nl-nl/office/de-power-pivot-invoegtoepassing-voor-excel-starten-a891a66d-36e3-43fc-81e8-fc4798f39ea8
Aan de slag met Power Pivot in Microsoft Excel – Microsoft Ondersteuning
https://support.microsoft.com/nl-nl/office/aan-de-slag-met-power-pivot-in-microsoft-excel-fdfcf944-7876-424a-8437-1a6c1043a80b