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
You will now see "Mailstore Outlook Add-in
click OPTIONS
tick "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.