How-To Geek on MSN

90% of Excel spreadsheets contain errors: Here’s how to fix yours

Build bulletproof workbooks with named ranges, dynamic tables, and Excel's built-in error-checking tools.
Geeky Gadgets

Master Excel’s GROUPBY Function and Boost Your Data Analysis

Analyzing large datasets in Excel can often feel overwhelming, but using dynamic summaries with drill-down capabilities can significantly enhance your workflow. Whether you’re tracking sales, managing ...
How-To Geek on MSN

Excel's UNIQUE function can't skip columns—unless you use this trick

Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.