Microsoft Copilot | Microsoft 365 Copilot | Development
Building and customizing solutions using Microsoft 365 Copilot APIs and tools
Cannot upload any file to co-pilot
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 5%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPS%3C/text%3E%3C/svg%3E)
Paresh Shah
5
Reputation points
Cannot upload any file to co-pilot. My Copilot file uploads fail after spinning for several seconds, even when I am signed out.
I have tried multiple browsers, devices, incognito mode, cookie clearing, and different file locations.
This is a known server-side ingestion pipeline corruption.
Please reset my Copilot ingestion token on the backend. My account ******@outlook.com
Microsoft Copilot | Microsoft 365 Copilot | Development
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(256, 44%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Miles 0 Reputation points2026-04-09T20:06:12.63+00:00 Did this get fixed? I've suddenly started experiencing it with excel and python file uploads after 2m of work
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