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

Avoid Excel friction and save time by customizing the interface, shortcuts, highlights, and formula editing.

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

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