Think you know your keyboard? Think again. Unlock the secret power of your function keys with these 12 clever laptop hacks and shortcuts.

Turn Excel into a lightweight data-science tool for cleaning datasets, standardizing dates, visualizing clusters, and ...

Transform legacy spreadsheets into maintainable, automated tools that scale and survive the test of time.

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

Sometimes, the YEAR function returns the correct value, but Excel displays an unexpected year, such as 1900 or 1905. This occurs when the cell containing the YEAR formula is formatted as a Date ...

Microsoft has woven its generative AI technology throughout Microsoft 365, the company’s productivity suite. Its Copilot AI assistant is most often used in M365 apps for text-oriented actions, such as ...

If you often work with data that starts life as a text file or CSV, Microsoft Excel now has new built-in tools that simplify how that information gets pulled into a spreadsheet. The update introduces ...

If Excel is not recognizing functions after a reboot, here is how you can fix the issue. If your functions are not working after an Excel restart or a computer restart, you can try these solutions to ...

After the upcoming changes for Microsoft Teams, the company also plans to add improvements to Excel in the form of better Copilot integrations, so let’s see what we can expect to see. As we know, ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...