In versions prior to Strategy Distribution Services 9.x when a subscription to plain text or CSV was sent each field was always sent as is with no surround quotes:

In Strategy Distribution Services 9.x and newer some export settings were added to provide the ability to surround each field with double quotes. This setting applies for both exporting and subscriptions.
The setting to surround each field in double quotes for exporting and Strategy Distribution Services subscriptions can be changed using the following steps:

