If Mailstore has disappeared from your Outlook Toolbar, please following these instructions on how to bring it back.
INSTRUCTIONS:
Open Outlook
Click FILE
Click SLOW AND DISABLED ADDINS
under "Mailstore Outlook Addin", click ALWAYS ENABLE THIS ADDIN
click CLOSE
You should now see the MAILSTORE button on your Outlook Toolbar.
If the above instructions do not work, please email sally@serendipiti.co.uk for further assistance.