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Applies to Product – Microsoft Copilot Studio


What’s happening?
The customer is experiencing difficulty in altering the size or height of a select-box within an adaptive card.


Reason:

  • Limitations of adaptive card design properties restricting size modifications.
  • Lack of support for direct size modification of select-boxes within the adaptive card framework.
     
Resolution:
  • The behavior of the select-box is by design, and changing its appearance is not supported yet.
  • It is recommended to check the Adaptive Card schema documentation for properties related to the select box size or height adjustments.
  • Explore using custom styling or CSS (if applicable to the platform) to achieve the desired select box size.