When importing a CSV with a large number of records to Dataverse, the system limits the number of failed records that can be exported to 5000. However, you can use SQL4CDS to export all the failed records. First, find the importfileid in the URL. Then, execute a query in SQL4CDS using the importfileid to retrieve the failed records. You can then export the failed records by copying and pasting them into a new Notepad document. This allows you to fix the errors and reimport the records.
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