Is Claude for Excel free to use?

Claude for Excel is available for Claude Pro, Max, Team, and Enterprise plans. You also need a supported Microsoft Excel environment to install and run the add-in.

Does Claude store my Excel data?

Claude processes your data to respond to your requests but doesn't permanently store your spreadsheet contents. Anthropic has strict data privacy policies. For Enterprise customers, additional data protection options are available. Always review Anthropic's privacy policy for the latest information.

Can Claude modify my spreadsheet directly?

Yes, Claude can make changes to your workbook with your permission. Every modification is highlighted and explained. Claude also maintains a log tab tracking all actions, so you can review and undo changes if needed.

Does Claude work with Excel Online (web version)?

Yes, the Claude add-in works with both Excel desktop and Excel for the web. The experience is similar, though some features may work better in the desktop application.

Can I use Claude for Excel on Mac?

Yes, Claude for Excel works on supported Excel for Mac builds. The keyboard shortcut to open Claude is Ctrl+Option+C on Mac, compared with Ctrl+Alt+C on Windows.

What Excel file formats does Claude support?

Currently, Claude in Excel supports .xlsx and .xlsm file formats. If you have an older .xls file or a .csv, you'll need to save it as .xlsx first before Claude can analyze it.

Where do I download Claude for Excel?

Use the official Claude by Anthropic for Excel listing on Microsoft Marketplace. Claude for Excel is an Office add-in, so you should install it through Marketplace or through your Microsoft 365 admin rather than downloading a separate desktop app.

Can my IT admin deploy Claude for our entire organization?

Yes, IT administrators can deploy Claude for Excel across their organization through the Microsoft 365 Admin Center. Navigate to Settings > Integrated apps > Add-ins, search for Claude by Anthropic, and deploy organization-wide or to specific groups.

How does Claude in Excel compare to using Claude directly on the website?

Claude in Excel has direct access to your spreadsheet structure, formulas, and data. It can read multi-tab workbooks, make direct edits, and provide cell-level citations. The web version requires you to upload files or paste data, and can't make direct changes to your workbook.

How to Install Claude for Excel

Install the official Claude by Anthropic for Excel add-in on Excel for the web, Windows, or Mac, then sign in and start using Claude in your spreadsheets.

Open Microsoft Marketplace

How to Install Claude for Excel: Complete Setup Guide

Get the official Claude for Excel add-in running in Microsoft Excel with clear steps for Marketplace installation, supported versions, sign-in, and troubleshooting.

What is Claude for Excel?

Claude for Excel is the official Anthropic add-in that brings Claude into Microsoft Excel. It is also commonly searched as Claude in Excel, Claude Excel add-in, Claude Excel plugin, or Claude by Anthropic for Excel. With Claude for Excel, you can ask questions about open workbooks, generate formulas, debug spreadsheet errors, update assumptions, and analyze multi-tab models without leaving Excel. This tutorial explains how to install Claude for Excel from Microsoft Marketplace, sign in, and verify that the add-in works.

Requirements Before You Install

Supported Excel Version

Claude for Excel supports Excel on the web, Excel on Windows with a Microsoft 365 subscription on supported builds, and Excel on Mac version 16.46 or later. Excel 2016 and Excel 2019 perpetual or volume license versions are not supported.

Claude Account

A Claude Pro, Max, Team, or Enterprise account is required to use Claude for Excel. Sign in with the same Claude account you use on claude.ai.

Supported File Formats

Claude in Excel works with .xlsx and .xlsm files. Other formats like .xls or .csv need to be converted first.

Internet Connection

Active internet connection required for Claude to process your requests. The add-in communicates with Anthropic's servers.

Microsoft Marketplace Access

Individual users need access to Microsoft Marketplace. If your organization blocks the Office Store, an admin can deploy Claude by Anthropic for Excel through the Microsoft 365 Admin Center.

Step-by-Step Installation from Microsoft Marketplace

Open the Official Marketplace Listing

Go to Microsoft Marketplace and open the Claude by Anthropic for Excel listing. This is the official Claude for Excel add-in; avoid unofficial downloads or browser extensions that are not published by Anthropic.

Tip: Search for Claude by Anthropic for Excel if you are browsing Marketplace manually.

Install the Claude Excel Add-in

Select Get it now to install Claude for Excel. Accept the Marketplace prompts and complete the Microsoft sign-in flow if requested.

Tip: If your work account blocks Marketplace installs, ask your Microsoft 365 admin to deploy the add-in organization-wide.

Open Excel on Web, Windows, or Mac

Launch a supported version of Excel. Claude for Excel works in Excel on the web, supported Microsoft 365 builds on Windows, and supported Excel for Mac builds.

Tip: Update Excel first if the add-in does not appear or if your build is below the supported SharedRuntime threshold.

Activate Claude from Add-ins

In Excel, open Home > Add-ins on Windows or Tools > Add-ins on Mac, then select Claude. The Claude sidebar should open inside your workbook.

Tip: You can also use Ctrl+Alt+C on Windows or Ctrl+Option+C on Mac to open Claude after setup.

Sign In to Claude

Sign in with a Claude Pro, Max, Team, or Enterprise account. Claude for Excel uses your existing Claude account and usage limits.

Tip: Use the same account you use at claude.ai to access your subscription benefits.

Verify Installation

Open a workbook and ask Claude a simple question such as 'What data is in this workbook?' or 'Explain the formula in cell C10.' If Claude can read the workbook and respond with relevant context, installation is complete.

Tip: Try asking Claude to explain a formula or summarize your data to test all features.

Keyboard Shortcuts

Quickly access Claude in Excel with these keyboard shortcuts:

Mac

Ctrl + Option + C

Windows

Ctrl + Alt + C

Your First Steps with Claude in Excel

Ask About Your Data

Start by asking Claude what's in your spreadsheet. Try: 'Summarize the data in this workbook' or 'What columns are in Sheet1?'

Get Formula Help

Ask Claude to create formulas. Try: 'Create a SUMIF formula to total sales for the East region' or 'Explain this formula: =VLOOKUP(A2,Sheet2!A:B,2,FALSE)'

Analyze Patterns

Let Claude find insights. Try: 'What trends do you see in this sales data?' or 'Identify any outliers or anomalies in column B'

Clean Your Data

Ask Claude to help clean messy data. Try: 'Standardize the date formats in column A' or 'Find and highlight duplicate entries'

Create Visualizations

Get chart recommendations. Try: 'What's the best chart type to show monthly trends?' or 'Create a pivot table summarizing sales by region'

Debug Errors

Fix formula errors easily. Try: 'Why am I getting #REF! error in cell D5?' or 'Help me fix this circular reference'

Troubleshooting Common Issues

Frequently Asked Questions

Explore Claude in Excel How-To Guides

Task-based guides with ready-to-use prompts for cleaning data, generating formulas, and creating insights.

View How-To Guides

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