Grok for Excel
A free Microsoft 365 add-in that answers questions about a spreadsheet, writes formulas from a description, and runs scenarios in the workbook.

Details
- Select a range and ask what moved and why, and the answer cites the cells it came from
- Charts drop straight into the sheet beside the data
- Describe an outcome and it writes the formula, with averages, sorts, and fills landing as normal edits in the formula bar
- Run a downside case or rerun a forecast without rebuilding the sheet
- With connectors it can pull context from recent emails or files in SharePoint or Google Drive
- Free add-in from the Microsoft Marketplace, also available for Word and PowerPoint
Best for
Getting an answer out of a spreadsheet without knowing the formula for it
When to use it
You need to know what moved and why, and the other option is rebuilding the sheet by hand
Who benefits
Marketers who own a reporting or budget workbook they did not build
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