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Power Pages randomly resetting custom HTML to default content after sync or page open

Lucas van Rijn 0 Reputation points
2026-02-12T09:08:45.8266667+00:00

Dear all,

We are experiencing an issue in Power Pages where custom HTML on certain pages is unexpectedly being reset to default content.

In several cases, the page body (custom HTML markup) is replaced by what appears to be the original default structure. Our custom code disappears and only a minimal default layout remains.

This seems to happen:

After a sync operation

Or sometimes simply after opening the page inside Power Pages (Design Studio)

No intentional edits were made to the HTML

No manual overwrite was performed

The custom HTML was added directly to the page content (not via external Web Files). After the reset, the page contains only a few basic default lines instead of our full markup.

There are no clear error messages in the console.

Questions:

Is this expected behavior when using Design Studio or sync operations?

Can Power Pages regenerate page content automatically under certain conditions?

What is the recommended way to prevent page content from being overwritten?

  1. Is this a known issue?
Developer technologies | Visual Studio | Other
Developer technologies | Visual Studio | Other

A family of Microsoft suites of integrated development tools for building applications for Windows, the web, mobile devices and many other platforms. Miscellaneous topics that do not fit into specific categories.

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  1. nader hadjebi 61 Reputation points
    2026-05-01T16:57:22.2933333+00:00

    Not really expected, no.

    What’s probably happening is that Power Pages (specially Design Studio) is “rebuilding” the page and wiping out any custom HTML it doesn’t recognize. Sync can also bring back an older/default version if things aren’t saved the right way.

    It’s a pretty common issue when mixing raw HTML edits with Design Studio.

    To avoid it, don’t put a lot of custom HTML directly in the page body. Instead, use templates or web files, and try not to switch back and forth between Design Studio and advanced editing on the same page.

    So yeah — not normal, but also not uncommon.

    Yes. Users have filed support tickets, and at least one community thread confirms Microsoft is tracking the issue.

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