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).

To fix the Excel error, There's a problem with this formula in Windows, check for unmatched or missing parentheses & ensure the function syntax is correct dirst.

Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

Excel automations cover auto-updating charts, deadline flags, and smart links; Ctrl+T table charts expand as new rows appear.

Overview:Excel books support long-term learning compared to short tutorials that explain quick data-centric tasks.Books ...

What’s the best way to tackle your data analysis challenges in Excel? With so many options, formulas, PivotTables, and Power Pivot, it’s easy to feel overwhelmed or unsure which approach will deliver ...

OpenAI integrates Excel support and live financial data into ChatGPT, creating a powerful spreadsheet co-pilot for traders, analysts, and crypto investors.

IMPORTCSV can do the same job faster.

OpenAI unveiled GPT-5.4, its newest reasoning model, alongside a ChatGPT-powered add-in for Microsoft Excel. The tool lets ...

Long reserved for advanced offerings, Claude in Excel is now becoming accessible to subscribers of Anthropic’s Pro plan, ...

Dark Mode has its drawbacks. For example, the worksheet grid usually remains white. You can choose Black under Office Theme, which activates a Dark Mode toggle in the View tab of your Excel ribbon.

Microsoft removes Excel Copilot App Skills and merges features into Copilot Chat and Agent Mode as part of a broader AI ...