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How to use LAMBDA in Excel to create scalable, reusable functions

LAMBDA lets you turn repeated Excel logic into reusable functions that update automatically across your entire workbook.
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Microsoft boosts Excel Copilot with multi-step plans, Python

Smarter Copilot tools: April 2026 update brings multi-step plans, edit mode switching, and Python integration to Excel's Copilot. Visual and mobile tweaks: New edit highlights and streamlined iOS ...