Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a million rows. As a result, they can significantly slow your workbook's ...

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any growing sheet.

Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...

Washington — President Trump said Friday he is canceling all orders signed by former President Joe Biden using an autopen, a mechanical device that reproduces signatures. "Any document signed" by ...

For the hundreds of communities who’ve been saddled with data centers in recent years, the bulky fixtures are sources of unbearable noise, soaring energy prices, and plenty of electrical fires. Add ...

Dominion Energy says its upcoming $11-a-month rate hike is driven by grid upgrades and inflation — not Virginia’s rapidly growing data-center industry. Critics note that Virginia hosts one of the ...

Democrats zeroed in on utilities and affordability to win Republican support in upset elections in Georgia and Virginia. Can the same playbook work in 2026? Democrats zeroed in on utilities and ...

Many popular apps collect more of your personal data than necessary to function properly. These 20 apps quietly scoop up your photos, location, contacts, and more. Here's how to protect yourself. I ...

If your starter word contains a J, rethink your strategy. Here are the most commonly used letters in the alphabet. CNET editor Gael Fashingbauer Cooper, a journalist and pop-culture junkie, is ...

Corin Cesaric is a Flex Editor at CNET. She received her bachelor's degree in journalism from the University of Missouri-Columbia. Before joining CNET, she covered crime at People Magazine and ...