Noticing that data (responses) are available in the portal for Forms and Quizzes; however, when you open in Excel some of the responses are missing.

Is there a delay from the time the response are received by Forms to the time the are able to be exported and opened in Excel?

Found the following link where the community is seeing the same thing.

https://techcommunity.microsoft.com/t5/Microsoft-Forms/Forms-responses-missing-when-Excel-is-opened/td-p/106203