The Email button
will run a "mailto:" link that has the email address and the tag for the given context that it is in.
The files for this and the word merge are installed in the "...\WWWRoot\js\custom" folder
C:\Program Files (x86)\Sage\CRM\CRM\WWWRoot\js\custom
There are 2 files
CRM's app pool (or IIS) must be restarted for these to be used and downloaded
To remove these button delete the "ct_browserx.*" files from "C:\Program Files (x86)\Sage\CRM\CRM\WWWRoot\js\custom"