With toolbar:*
Without toolbar:
*Email Clients Supported: Outlook 2002*/2003/2007/2010*, Windows Mail, Outlook Express, Thunderbird 3.0 or higher, IMAP/POP. Supported versions of Outlook 2010: Office Home and Business/Professional (installed from a DVD/CD) 32-bit, 64-bit. For Outlook XP 2002 you need to be running Windows XP SP3.
Supported Operating Systems:
Microsoft
Windows XP
Microsoft
Windows Vista
Microsoft
Windows 7
Operating Systems Supported (32-bit or 64-bit): Windows 7, Windows Vista SP2 or higher, Windows XP 32-bit only, SP3 or higher.
Additional Requirements:
*Supported versions of Outlook 2010: Office Home & Business (installed from a DVD/CD) 32-bit, Professional (installed from a DVD/CD) 32-bit, 64-bit.