Sway question

Bixler, Lisa 20 Reputation points
2026-04-01T14:31:44.0366667+00:00

I am trying to place an embedded form in my sway like I always do and it keeps telling me it is not supported. Can someone please let me know if there is a problem with it right now. Thank you!

Microsoft 365 and Office | Sway | For business

Answer accepted by question author
Kai-L 19,145 Reputation points Microsoft External Staff Moderator
2026-04-01T15:56:20.33+00:00

Dear @Bixler, Lisa,

Good day, and I appreciate the clear description of your issue. As a forum moderator, I genuinely wish I could directly access your account or delve into the backend systems to diagnose and fix this for you. However, our role here is limited to providing general guidance and solutions that can be applied by users. 

To help narrow this down, would you mind sharing the following details?

  • The exact error message shown (word‑for‑word)
  • Whether you’re pasting the full <iframe …> embed code or only a share URL
  • A screenshot of the embed card in Sway, if possible

In the meantime, please try the steps below, as they commonly resolve this scenario:

  • URL/domain mismatch (most frequent recent cause): Older embed codes sometimes reference forms.cloud.microsoft instead of the current forms.office.com. If your code contains the old domain, edit it manually to replace with forms.office.com (or regenerate a fresh embed code from Forms).
  • Make sure you're copying the full iframe embed code from the Embed button in Forms (not just the share link).
  • Try a different browser or incognito/private mode (sometimes cached data or extensions interfere).
  • Ensure the form sharing settings allow "Anyone can respond" if you're testing externally.
  • Clear your Sway cache or try creating a new Embed card from scratch.

If it still says "not supported" after using a freshly generated embed code:

  • There may be a temporary service issue. While nothing widespread has been reported today, waiting a few hours and trying again can help.
  • Double-check you're using the web version of Sway (sway.office.com or sway.cloud.microsoft), not any cached desktop app version.

If none of the above solutions work, let me know in the comments for further investigation. Please note that our initial response does not always resolve the issue immediately. However, with your help and more detailed information, we can work together to find a solution. Thank you for your patience and understanding. I'm looking forward to your reply.


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  1. Kai-L 19,145 Reputation points Microsoft External Staff Moderator
    2026-04-01T20:10:52.7366667+00:00

    Dear @Bixler, Lisa,

    I’m truly sorry to hear that the issue is still persisting after completing all of the troubleshooting steps. I attempted to reproduce the behavior on my end, and after manually updating the embed code domain from forms.cloud.microsoft to forms.office.com in Sway, the embed worked as expected without displaying any error messages.

    Since the behavior is not reproducible in my environment, the next best step would be to engage Microsoft Support so they can investigate your specific tenant configuration. I recommend that the Global Admin in your organization create a service request with Microsoft Support. A technical support engineer can perform a remote session to investigate the situation, verify the backend configurations, and run any necessary synchronization tools to resolve the problem. If the issue requires further attention, they can escalate it to a specialized team for deeper analysis. For detailed instructions on how to get support, please refer to Get support - Microsoft 365 admin. If you don't know who your IT administrator is, please refer to this article: How do I find my Microsoft 365 admin? - Microsoft Support 

    I truly hope you get your issue resolved swiftly. Please know that even though I can't directly intervene, directing you to the correct, specialized support is the most effective help I can provide from my position. Thank you for your patience and understanding and please let me know if there’s anything further I can help with.

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