You can use Microsoft Excel in dark mode to change elements of your spreadsheet to a darkened color palette.

One of the major features Microsoft highlights as part of the October 2025 release is Agent Mode in Excel. This is another AI feature, but unlike many others added in the past, this one does sound ...

Available for Microsoft 365 Copilot users, the new agents will help you create, edit, and analyze your documents, spreadsheets, and presentations.