Excel users are warned to update now, as a critical vulnerability has been confirmed that can lead to “zero-click information ...

OpenAI launches ChatGPT for Excel powered by GPT-5.4, enabling users to build, update, and analyze spreadsheet models using plain language.

Use dynamic arrays and tables for fast, scalable cascading drop-down lists in modern Excel.

Malicious Chrome extensions tied to ownership transfers push malware and steal data, exposing thousands to credential theft and system compromise.