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I have used SP Designer to create List web parts that can be used across sites in the same collection. The web parts I created a few months ago work fine.

But now when I try to create a new web part using SP designer I get the error message " The file you imported is not valid. Verify that the file is a Web Part description file (*.webpart or *.dwp) and that it contains well-formed XML." when I try to place the newly created Web part on a page.

Odd that the web parts I created months ago using the same method still work fine. Any solution for this?

1 Answer 1

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This is may due to the deprecation and removal of the DataFormWebPart as part of MC242207.

Similar issue for your reference:

https://docs.microsoft.com/en-us/answers/questions/315516/xml-code-no-longer-working-in-sharepoint.html

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