Enabling TLS 1.1 and 1.2 in Outlook on Windows 7

Make sure the following keys are created in the Windows Registry using regedit.

Create the DisabledByDefault DWORD value and set it to 0 in the following locations:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\S curityProviders\SCHANNEL\Protocols\TLS 1.2\Client

Reboot to finish.