Changes [Nov 17, 2017]Adding Assignments ...
Tech Support suggests manual archiving. The following steps will make it easier to locate emails once the are archived.
On your Live side make sure that you have a folder structure that is easy to use. Drop opened email into the desired folder Open the folder Right Click on the email you wish to archive and Select Archive.
A duplicate folder will be created on the Archive which will hold the archived email.
To Switch Between Live Side and Archive Click on the Online Pull Down Above your Mail Box Folder List and select Archive
To switch Back select your Name.