For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any growing sheet.

Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client. According to a service alert (EX1189359) seen by BleepingComputer ...

On Monday, Anthropic announced Opus 4.5, the latest version of its flagship model. It’s the last of Anthropic’s 4.5 series of models to be released, following the launch of Sonnet 4.5 in September and ...

AT&T's $177 million settlement is for data breaches in 2019 and 2024. Claim up to $5,000 (first breach) and $2,500 (Snowflake hack), or both. File claim by Dec. 18, 2025, either online or by mail. If ...

Microsoft’s new AI model works “by visually perceiving a web page,” enabling it to understand and take actions over a PC’s desktop. “It does not rely on separate models to parse the screen, nor on any ...