DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000. It's fallen off current Excel menus, but you can still use it. Here's how.
Windows 10's image backup can protect your Windows configuration. Learn how to make one of your entire drive. And, should disaster strike, learn how to restore Windows from that backup.
It really doesn't take much to set up a solid backup protocol for your PC. Here are the basics, with pointers to more details.
You can get rid of bloatware or other troublesome software by doing a clean install of Windows 10. Here’s how it works.
Take full advantage of your phone's latest features with this collection of 30 tips for Android Nougat (Android 7.0 and 7.1).
Add narration to a doodle, color-code your notes, share a note with a friend, save selections from a web page, and more.
Bash's history feature is a useful tool, if you know how to use it, and how to keep it clean of private data.
Take charge of your privacy so there are no surprises about how much information your digital assistant is holding onto.
Bookkeepers, project managers, HR departments and more use the Excel Date & Time functions WEEKNUM, ISOWEEKNUM, WORKDAY, WORKDAY.INTL to calculate time. Here's how.
Duarte's Five Rules is a classic PowerPoint presentation that can make you an instant expert. Study the slides and read these tips to learn more.
Microsoft doesn't let you personalize Cortana's wake word, but this third-party program does.
Stop notification overload by shutting websites down in Chrome.
With the help of a clever app, you can create an "applet" that will trigger an iOS alert whenever your Android device gets a text message.
We'll show you how to protect your online privacy as governments around the world, including the U.S., step up their online surveillance efforts.
Noisli for Chrome helps you focus with the help of your own customized background noises.
You'd be surprised how easy it is to accidentally silence a pending Android alarm—or snooze right through it, for that matter.