by default, user can go :
File > Option > Mail > Signatures but there is only plain text!!
user has to copy his premade html (ex test.html) to
%appdata%\Microsoft\Signatures
then go again to Outlook > File > Option > Mail > Signatures
source http://myhtmlsignature.com/installing-your-email-signature-in-outlook-2013/
File > Option > Mail > Signatures but there is only plain text!!
user has to copy his premade html (ex test.html) to
%appdata%\Microsoft\Signatures
then go again to Outlook > File > Option > Mail > Signatures
source http://myhtmlsignature.com/installing-your-email-signature-in-outlook-2013/