Hi ... If you are using for your emails Office Outlook ? Then you need to go
into your Office Outlook options and set the font size to what you would
like your broswer to be set at ...There is 2 font setting for both IE and
Office outlook that need to be the same size , What happen is , Lets say you
have your broswer font setting set at largest and your Office Outlook is set
at medium , well everytime you open your Office Outlook it will reset the
broswer font size back to medium , Take a look at your Office Outlook email
account what the font setting are set at