This article details the supported email clients for PGP Messaging with Symantec Encryption Desktop. When secure email messaging is enabled, Encryption Desktop monitors the email traffic between your email client and your mail server. Depending on the circumstances, Encryption Desktop will intercede on your behalf to encrypt, sign, decrypt, or verify messages.

Compatible Email Client Software

This article applies to Symantec Encryption Desktop for Windows 10.3.2 which supports the following email clients:

• Microsoft Outlook 2013 (32- and 64-bit)/Exchange Server 2013 Cumulative Update 2 (CU 2)
• Microsoft Outlook 2013 (32- and 64-bit)/Exchange Server 2010 (on-premise only)
• Microsoft Outlook 2013 (32- and 64-bit)/Office 365 Cloud Server
• Microsoft Outlook 2010 (32- and 64-bit)/Exchange Server 2010 (on-premise only)
• Microsoft Outlook 2010 (32- and 64-bit)/Office 365 Cloud Server
• Microsoft Outlook 2007 SP2 (Outlook 12)/Exchange Server 2007 SP2
• Microsoft Outlook 2007 SP2 (Outlook 12)/Office 365 Cloud Server
• Microsoft Outlook 2003 SP3/Exchange Server 2003 SP3
• Microsoft Windows Mail 6.0.600.16386
• Microsoft Outlook Express 6 SP1
• Microsoft Windows Live Mail
• Mozilla Thunderbird 17
• Lotus Notes/Domino Server 8.5.1 FP2
• Lotus Notes/Domino Server 8.5.2
• Lotus Notes/Domino Server 8.5.3

Note: Symantec Encryption Desktop for Windows will, in many cases, work with Internet-standards-based email clients other than those listed here. Symantec Corporation, however, does not support the use of other clients.