If you have previously changed your Internet Explorer Toolbar settings, clicking on the "Reset IE Toolbar Positions" button will restore all the buttons to their original positions and other IE Toolbar settings to its original state.
To reset IE Toolbar positions, follow these steps:
Go to the Inbox.com Toolbar Settings.
Select the "General Settings" tab.
Click on the "Advanced Settings..." button.
Click on the "Reset IE Toolbar Positions" button.
Click on the "Apply" button to make the change take effect.