A Bulk upload is a method of uploading multiple items all at once to Google Base. You can submit various types of content – like business locations, movie reviews or other products. Submit content to Google, Froogle and Google Local using Google Base Bulk uploads.
You may upload your content in any of the following formats:
“¢ Tab-delimited file “¢ XML file in RSS 2.0 format “¢ XML file in RSS 1.0 format “¢ XML files in ATOM format