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Applies to Product - Microsoft Copilot Studio

What’s happening?
The customer is experiencing issues with images not scaling properly when rendered in Adaptive Cards using Markdown.

Reason:
The underlying cause of this is related to the parameters used for rendering images in Adaptive Cards, which may not be set correctly.

Resolution:
To resolve this, it is recommended to add the following parameters to the Adaptive Card configuration:
  • “Size”: “Auto”
  • “Width”: “Stretch”
If the issue persists, further investigation may be required, including reviewing the initial Adaptive Card code used.

See more: Format cards in Teams | Microsoft Teams - Microsoft Learn