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MarianneCherayil's avatar
MarianneCherayil
Icon for Microsoft rankMicrosoft
Feb 19, 2025

Excel Connector Issue in Copilot Studio for Agent using SharePoint as Knowledge Source

I am creating a declarative agent in Copilot studio to easily access information from my team's SharePoint site. However, I am having issues with the excel connector. I receive the error message be...
copilot in excel
Copilot in SharePoint
Lalit Mohan's avatar
Lalit Mohan
Iron Contributor
May 22, 2025

I faced the same 404 error with the Excel Online (Business) connector. Make sure the full SharePoint site URL is used (including https://), and that the document library name, file name, and table name match exactly. Also, try opening the file once in Excel Online to ensure it’s fully available. Still buggy in Copilot Studio, but using static values with correct paths helped me move forward. Hope this helps!

 

 

 

 

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