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M365 Show - Microsoft 365 Digital Workplace Daily

Microsoft Collaboration Pulse: Teams, Viva, SharePoint & Beyond

The Magic 12 Rule for SharePoint Lists Explained

Mirko Peters - M365 Specialist's avatar
Mirko Peters - M365 Specialist
May 07, 2025
∙ Paid

When using SharePoint lists, you may hear about "The Magic 12." This rule says to keep People Picker and Lookup columns together under 12. Following this helps lists work faster and stay easy to use. For example, one group cut Lookup columns from 15 to 8 in their project list. This made their list load 40% faster. Staying under this limit avoids slowdow…

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© 2025 Mirko Peters
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