If Excel is not using threads efficiently, calculations may take a long time to complete. Learn how to speed up calculating threads in Excel.

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

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

Excel table formulas shift from cell positions to named columns with #All-style tags, keeping calculations readable when layouts change.

OpenAI has launched ChatGPT for Excel in beta, a specialized add-in powered by the new GPT-5.4 Thinking model designed specifically for financial workflows. OpenAI introduced deep data integrations ...

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

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).

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

Microsoft has removed App Skills from Excel's Copilot after users found multiple AI entry points confusing, now consolidating them into a single interface.

Every race is a test of how quickly teams can share information, make calls, and adjust strategy—sometimes in less than a ...

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.

For reference, our fourth quarter and year-end 2025 earnings release, shareholder letter, and presentation are available ...