An Australian company servicing Australian customers should provide the date in Australian format.The standard Australian format for date is DD/MM/YYYY. Why the sudden change to the American format MM/DD/YYYY. Virtually all Australian Excel installations are configured to use Australian date format. The entry in the MyUsageData.csv file for the date 10 NOV 22 for example appears as11/10/2022 but is interpreted by Excel as the 11 OCT 2022. The entry for 20 Nov 22 appears in the csv file as 11/20/ ...