Turn Excel into a lightweight data-science tool for cleaning datasets, standardizing dates, visualizing clusters, and ...

Excel gurus love to tell you, "Always format your data as a table." While that's usually solid advice, it's not always the best move. In some scenarios, a simple range outperforms a table entirely.

Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, finance and streaming services. He is passionate about language and technology, and has been an avid writer/reader of ...