Hi Asato takatoh,
Thank you for asking this question on the Microsoft Q&A Platform.
We've noted your difficulty in finding the 'web files' option after completing the Tabular Data Type. However, we successfully located the 'From web files' option among the three presented choices, as depicted in the attached screenshot:
If the issue persists, please let us know, and we'll gladly provide additional assistance.
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Thank you.