From the WordPress Admin go to Tube Ace > Mass Import Videos
Select your import file in the 'Import File' fields. Select your desired options for import (sponsor name, categories, etc..) and click the 'Next Step' button.
On the next page, match the fields in each drop-down menu with the correct data values. You can also enter any set all values which will be assigned for all videos about to be imported. Click the 'Import File' button.