Many Excel tools are optional extras, but these six are essentials I rely on in every workbook.

Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This tutorial covers: - Basic GROUPBY to calculate the sum of revenue by ...

Before diving into the nitty-gritty of sorting in Google Sheets, it’s crucial to grasp the basic concepts. Sorting is the process of arranging data in a specific order, typically ascending or ...

We’ll run you through everything you need to know in this quick guide. You’re on the wrong page if you’re an iOS user, but we also have a guide to checking mobile data usage on iPhone. Your data usage ...

SpaceX wants to put up to a million data centers in orbit. There are a few technological hurdles standing in the way. MIT Technology Review Explains: Let our writers untangle the complex, messy world ...

Pranay Parab is an independent tech journalist based in Mumbai, India. He covers tech for Lifehacker, and specializes in tutorials and in-depth features. Spotify Premium members can now automatically ...

Tech giants are in a heated race to build data centers and dominate the AI landscape. But America might not be ready for the energy demand. The country’s aging electrical grid could struggle to keep ...

In a hangar-like building in Louisville, Colorado, outside Denver, crumpled plastic bottles, cans and other scraps were strewn across a giant conveyor belt. But you know what they say about one man’s ...

Big Tech companies use secrecy agreements with local governments to keep communities from knowing who is building in their backyards. On a March afternoon in Mason County, Kentucky, Dr. Timothy ...

Have you ever grouped data in Excel only to find your months sorted alphabetically instead of chronologically? It’s a frustrating quirk of the GROUPBY function, one that can turn a clean dataset into ...

Anthropic is starting to train its models on new Claude chats. If you’re using the bot and don’t want your chats used as training data, here’s how to opt out. Anthropic is prepared to repurpose ...