To use some features of Bing Bar, such as previewing your Outlook.com inbox, you have to sign in to Bing Bar with your Microsoft account.
Start your Internet browser.
On the right side of Bing Bar, click Sign in.
Enter your Microsoft account, and then click Sign in.
If you don't see some or all of the features described in this topic, you may have an older version of Bing Bar. To install the latest version of Bing Bar with all the newest features, go to the Bing Bar Download website.