How to Format the 'Date' and 'Date Time' Data in a CSV File | Salesforce
This screencast walks a system admin on how to format the 'Date' and 'Date Time' data in a CSV file. The correct formats are:
Date: 2019-10-30
Date/Time: 2019-10-30T22:44:12.000Z
Knowledge Article: https://sforce.co/3j7jRK1