Export the csv/qif file

Log into Westpac Online Banking
The Westpac Online Screen

Click on the Bank Account whose transactions you wish to export
Click on More > Exports and reports

Click on Export CSV, QBO, QIF, OXF file

Select/Enter the following details:

Date range > Select the date range you wish to export

Accounts > Select the Bank Account whose transactions you wish to export

File format > Select CSV

Date format > Select: DD/MM/YYYY

Click on [Export]