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Intelligence · Automation · Advantage

The Library · Insights

Deep dives across data, automation & AI

1253 in-depth articles — from Excel foundations to production machine learning. Filter by topic or difficulty to find exactly what you need.

Hero image for Combining Multiple Files from a Folder
Power QueryFoundation

Combining Multiple Files from a Folder

16 min read
Hero image for Writing Custom M Functions in Power Query
Power QueryExpert

Writing Custom M Functions in Power Query

31 min read
Hero image for Getting Started with VBA Macros in Excel
Microsoft ExcelExpert

Getting Started with VBA Macros in Excel

28 min read
Hero image for Dynamic Arrays: FILTER, SORT, and UNIQUE Explained
Microsoft ExcelFoundation

Dynamic Arrays: FILTER, SORT, and UNIQUE Explained

13 min read
Hero image for VLOOKUP vs XLOOKUP: The Definitive Comparison
Microsoft ExcelFoundation

VLOOKUP vs XLOOKUP: The Definitive Comparison

14 min read
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