How-To Geek on MSN
90% of Excel spreadsheets contain errors: Here’s how to fix yours
A common source of errors in Excel is "the gap"—a situation where you add new data to the bottom of a list, but your formulas ...
See how try and otherwise protect custom column math from type errors in Power Query, saving time and keeping your refresh ...
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.
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