The latest release of Virto Bulk Uploader for Office 365 comes with ability to add files upload settings on site level and list level. This feature is available on Settings page. Now, you can add files upload configuration for the whole site and for a particular list or library. Also, you can overwrite site settings if it is required.

File Uploader Settings dialog showing list and site settings tabs with general configuration options for document upload

You can learn more about features of Virto Office 365 Bulk Uploader on our site.