To use the Mailbag service click the "sign in" link at the bottom of this page and choose an option from the top left (mail, calendar, documents, sites, etc).
These services can also be accessed directly by the urls below:
To configure your mail client e.g. outlook to access you mailbag account follow the instructions for Other way to access Gmail using your mailbag email address and password instead of gmail. General mail help can be found here.