Author: Alexis Torres. Outlook doesn't have a built-in way to separate PST files by year or date.  The built-in archive option can move older emails to a different PST, but it's not very flexible and takes a long time if you want to be specific. Using a dedicated tool like DataVare Outlook PST Split (https://www.datavare.com/software/outlook-pst-split-expert.html) Expert is a better way to solve the problem.  This software is made just for dividing large PST files. It has a lot of...