If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Learn how to automate inventory management in Excel with this free template. Track stock, log transactions, and avoid costly ...

The war against drugs is looking more and more like a war. The New York Times reports that the Obama administration has started sending drones deep into Mexico to gather intelligence on the location ...

Since the Sept. 11 attacks, the FBI, the world’s leading law enforcement agency, has labored to transform itself into an intelligence organization — while preserving its policing pre-eminence. This ...

Ukraine has stepped up its attacks on Russian energy facilities to try to disrupt petrol supplies and deprive Moscow of funding. Reuters, the news and media division of Thomson Reuters, is the world’s ...