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  1. File upload in Microsoft Copilot - Microsoft Support

    Find out supported file formats by Microsoft Copilot and how to upload files to use your AI assistant for everyday life.

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  2. Microsoft Copilot Spreadsheet Uploading: Excel And CSV File Support ...

    In the consumer Copilot chat interface, users can upload spreadsheets in XLSX and CSV formats, along with other common document types, for conversational analysis and summarization. Uploads are …

  3. How to use Copilot in Excel with Examples (Step-by-Step Guide)

    Jun 27, 2025 · In this detailed guide, we'll explore how to effectively use Copilot in Excel, complete with practical examples to illustrate its capabilities. What is Copilot in Excel? Microsoft Excel Copilot is an …

  4. Copilot in Excel Now Imports Data From Web and Office Files Into ...

    Dec 9, 2025 · Microsoft has quietly expanded Copilot’s reach inside Excel, and the change that will matter most to power users and data teams is simple but profound: Copilot can now search for and …

  5. Copilot in Excel: features and limitations - Dev4Side

    First, Copilot works only with Excel files that are saved in the Microsoft cloud, either on your OneDrive or on SharePoint/Teams. In addition to this, Copilot currently operates only on data tables. It is …

  6. 12 Ways to Use Copilot in Microsoft 365: Excel, Word, Teams & More

    Jan 5, 2026 · How to Use Copilot in Excel If you spend half your day sorting data or checking formulas, Copilot in Excel can ease that burden. It helps you explore, analyse, and visualise information with …

  7. 15 Best Copilot Tips for Outlook, Excel, Word, Teams & PowerPoint ...

    3 days ago · File Grounding: Attach files for Copilot to analyze and extract insights, reducing the need for manual data review and speeding up decision-making processes.

  8. Frequently asked questions about Copilot in Excel - Microsoft Support

    Copilot in Excel can only be used with Excel files (.xlsx, .xlsb, or .xlsm) that have been saved to OneDrive or Microsoft 365SharePoint locations with AutoSave turned on. Make sure that your data is …

  9. I started using Microsoft Excel with Copilot and it's been a game …

    4 days ago · In order to use Agent mode in Copilot, you need to store the spreadsheet in OneDrive. It won’t work with local files. Most people think Excel is only for numbers.

  10. Microsoft Copilot File Uploading: Supported File Types, Maximum …

    Microsoft Copilot offers file uploading features across multiple product surfaces, each with its own set of supported formats, size restrictions, and operational rules. Understanding these differences is …

    Missing:
    • Excel
    Must include: