I have lost a group of Icons on my menu.

[Steven Vollom]

Just below the file menu line, I used to have a row of Icons.  The first in 
line would be 'write'.  When I clicked on it, a template of an email would 
appear, and I would write my email.  That row of Icons is missing now.  Did 
that happen when I updated?  Or is it the result of something I have done.  I 
now have to open File>New>Message to open the template.  That adds two extra 
steps to opening the template and doesn't seem an improvement.  So I suspect 
I have screwed up again somewhere that caused the row of Icons to disappear.
Has anyone else experienced this recently?

Steven