No, but you can modify any toolbar in the main Outlook window to add a macro
and give it an Alt+ accelerator key by putting an ampersand & in front of
the character you want to use for the accelerator.
--
Sue Mosher, Outlook MVP
Author of Microsoft Outlook 2007 Programming:
Jumpstart for Power Users and Administrators http://www.outlookcode.com/article.aspx?id=54