Learn how the reverse COUNTIFS method can simplify data checks, save time, and enhance your Excel skills with binary outputs.

The first reason why you might see double square brackets in a structured reference is that the column headers they refer to ...

Are duplicate photos taking up precious storage space on your iPhone? We have the simple steps to fix that—and fast. It all started out innocently enough. Maybe you accidentally saved multiple ...

VLOOKUP has been the go-to function for looking up data in Excel for years, but it comes with limitations. You can only ...

It's easy to change the date format in Microsoft Excel. You just need to use the "Date" drop-down menu, which gives you ...

"It’s always been condemned by lazy fools as somehow the death of creativity. It’s shorthand for a job that oppresses the soul. But I think it deserves its flowers." What has 17bn cells and turned 40 ...

Dear Eric: My sister, age 86, and I, 84, have two younger brothers, 77 and 74. We have all been invited to share Thanksgiving with one of my brothers and his wife. We siblings are spread out ...

I caught up with an old friend last weekend. We were in a moms’ group when our now college-age children were just babies. She was visiting our small town because her son goes to college here. It’s ...