How-To Geek on MSN

How to use Excel's Power Query to tidy up messy spreadsheet data

To clean up the messy data, it needs to be loaded into the Power Query Editor.
How-To Geek on MSNOpinion

You need to know what the double unary operator (--) does in Excel

It's marginally more efficient: While the difference is negligible, the double-unary operator can be more efficient in ...