Claude in Excel

Claude in Excel is an official Anthropic Microsoft Excel add-in that integrates Claude AI directly into spreadsheets for formula assistance, data analysis, and model debugging.

What is Claude in Excel?

Claude in Excel is the official Excel add-in from Anthropic that brings Claude AI into spreadsheet workflows. It takes natural language queries and workbook context as input and produces formula suggestions, error explanations, data insights, and model modifications. The add-in runs on Excel for web, Windows, and Mac, and requires a Claude Pro, Max, Team, or Enterprise subscription. Learn more about Claude plans.

Key Features

• Native Excel Integration — Access Claude via keyboard shortcut Ctrl+Option+C on Mac or Ctrl+Alt+C on Windows and interact through a side panel without leaving Excel.
• Full Workbook Understanding — Comprehends complex models with nested formulas, cell dependencies across multiple worksheets, and multi-tab structures.
• Conversational AI Interface — Ask questions in natural language about formulas, data, or errors; Claude responds with cell-level citations.
• Error Debugging — Traces and resolves errors like #REF!, #VALUE!, and circular references while maintaining model integrity.
• Formula Assistance — Write, explain, and optimize complex Excel formulas with component-by-component breakdowns.
• Scenario Testing — Modify assumptions and test what-if scenarios with automatic dependency preservation and impact highlights.
• Data Analysis — Identify trends, patterns, and generate insights from spreadsheet data using natural language queries.
• Enterprise-Ready Security — Data is processed securely and never used to train AI models; available on Team and Enterprise plans with additional controls.

Who is it for?

• Financial analysts building and debugging complex financial models with multiple tabs and dependencies.
• Data professionals analyzing large datasets and generating insights without writing formulas manually.
• Business users who need help writing or understanding Excel formulas for reports and dashboards.
• Teams collaborating on spreadsheets who want a shared AI assistant that respects workbook context and security policies.

What can you do with Claude in Excel?

• Debug spreadsheet errors: Ask Claude to trace the root cause of #REF! or #VALUE! errors and suggest fixes with cell-level citations.
• Build models from scratch: Describe a financial model in natural language, and Claude generates the formulas and structure.
• Analyze multi-tab workbooks: Query dependencies across sheets and get holistic insights about model relationships.
• Test what-if scenarios: Change assumptions and let Claude recalculate dependencies, highlight changes, and explain impact.

How to install

Install the Claude in Excel add-in from the Microsoft Marketplace. After installation, sign in with your Claude Pro, Max, Team, or Enterprise account. Open Claude via the Excel add-ins menu or use the keyboard shortcut Ctrl+Option+C on Mac or Ctrl+Alt+C on Windows. For a walkthrough, see the Installation Guide.

FAQ

Is Claude for Excel the same as Claude in Excel?

Yes, both names refer to the same official Anthropic Excel add-in. "Claude in Excel" is the more common phrasing.

Which Claude plans include access to Claude in Excel?

Claude in Excel is available for Pro, Max, Team, and Enterprise subscribers. It is free with these plans.

What versions of Excel are supported?

The add-in works on Excel for the web, supported Windows builds, and supported Mac builds.

Does Claude in Excel modify my spreadsheet directly?

Claude can suggest and apply changes to your spreadsheet with your approval, but it operates in a conversational mode that prioritizes user control.

Is my spreadsheet data secure?

Yes, data is processed securely per Anthropic's privacy practices and is never used to train AI models. Team and Enterprise plans offer additional security controls.