For import guidance, refer to this article:Verify Date Format in the Import File
Ensure the date format used in your sheet (e.g., MM/DD/YYYY, DD-MM-YYYY) is consistent by making a right click on Date column → Format cells.
During the import process, select the same date format in the Import Wizard to ensure correct date parsing.
Use the Latest Request ID (if applicable)
If you’re updating existing requests, make sure to use the correct and latest Request ID.
Using outdated or duplicate Request IDs may cause data to be overridden or misaligned.

Always preview the import before confirming, to check how the dates are being interpreted.
Consider performing a test import with a small dataset to validate field mapping and date accuracy.