Claude in Excel is a powerful tool designed for users who need advanced assistance with their spreadsheets. It understands complex workbooks, including nested formulas and interdependencies across multiple tabs. Users can quickly ask Claude for explanations about specific cells, entire worksheets, or even calculation flows, with detailed citations that allow for easy verification of the logic behind the answers. One of the standout features is the ability to test different scenarios without disrupting existing formulas. As users update assumptions throughout their models, Claude highlights changes and provides explanations for each adjustment. This ensures transparency and helps users understand the implications of their modifications. Additionally, Claude can help identify and fix common errors, such as #REF! and #VALUE!, explaining the root cause and providing guidance on how to rectify the issues. For those looking to build financial models, Claude offers the capability to create new models from scratch or fill in existing templates while preserving the original structure and formulas. It operates within the security framework of your organization and is available in beta for customers on various Claude plans, including Pro, Max, Team, and Enterprise. While Claude is adept at recognizing standard financial modeling patterns, users are advised to verify the outputs to ensure they align with their specific methodologies. The tool currently supports .xlsx and .xlsm file formats, with limitations based on the user's subscription level.