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Supported Email Clients

  • Microsoft Outlook
  • Microsoft Windows Mail
  • Mozilla Thunderbird
  • Microsoft Outlook Express
  • Mail
  • Microsoft Outlook 2011

Version details: Outlook 2003/2007/2010/2013, Windows Mail (Windows Vista), Outlook Express, Thunderbird 3.0 or higher (17 or higher for Mac), IMAP/POP, Outlook 2011 for Mac, Apple Mail. Supported versions of Outlook 2010/2013: Office Home and Business/Professional (installed from a DVD/CD) 32-bit, 64-bit.

Windows System Requirements

  • Windows 8
  • Windows 7
  • Windows Vista, running SP2 or higher
  • Either .NET Framework 2.0 or .NET Framework 4.0
  • Windows XP, running SP3 (32-bit only) or higher, and .NET Framework 2.0
  • For Outlook 2010/2013, you must be running the .NET Framework 4.0
  • Supported versions of Outlook 2010/2013: Office Home & Business (installed from a DVD/CD) 32-bit, Professional (installed from a DVD/CD) 32-bit, 64-bit

Windows Release notes

Version: Cloudmark DesktopOne v1.8

Support for Thunderbird 31 & General stability improvements.
Improved support for Thunderbird 24.
Spammy meeting/appointment requests are now blocked from appearing in the Outlook calendar.
Improved automatic configuration for compatibility with newer IMAP servers.
Improved compatibility for Windows 8.
General stability improvements.

Mac System Requirements

Intel-based Mac running one of the following operating systems:
Snow Leopard 10.6.7 or later
Lion 10.7.4 or later
Mountain Lion 10.8 or later
Mavericks 10.9 or later
Supported email clients:
Mail
Outlook 2011
Thunderbird 17.0 or newer

Mac Release Notes

Version: Cloudmark DesktopOne v1.2.0

Support for OS X Mavericks.
Stability and performance improvements.