Microsoft released new features for Bing Webmaster tools: "First is the new "data export" capability which enables you to export and download data of your registered sites for up to six months in comma-delimited CSV file. Following data downloads are available by selecting 'Export' button in UI:
Also, added a "Crawl Settings" page — the first setting available is "Add Query String Parameters." As you likely know, query string parameters in URLs can result in multiple variations of URL all pointing to same content. Site owners can now add query string parameters that can be ignored when indexing their sites, thus gaining multiple advantages: it prevents duplicate content in Bing index, it avoids having a page's index value split between multiple URL variations, and avoids unnecessary site bandwidth usage by the search crawler."