What is PST Capacity Outlook 2007? Resolve Query with Easyness!
Outlook 2007 use Unicode PST file format which capable of storing data in limit of 20 GB. As your PST file approaches the limit or suggested maximum size, then you can move old messages to a separate archive PST file. If you want to access an Outlook 2007 or Outlook 2003 .pst file from a different computer that has an earlier version of Outlook installed, or if you installed Outlook 2007 or Outlook 2003 and have decided to remove it and to use Outlook 2002 or earlier, you must change your .pst file back to an ANSI format.

Due to common communication with MS Outlook also PST grows higher size with the growth of organization. As yet cause your MS Outlook to work slowly. In this case, we need to Split Large Outlook PST files into small parts. PCVITA Split Magic Software is perfect PST splitter PST Split software splits all the items of Outlook such as (contacts, emails, calendars, journals, tasks, notes) to smaller PST files. PST Splitting tool splits large sized Outlook PST files in few clicks.
Other Userful References:
However MS Outlook allows you to convert Outlook to vCard and vCard to Outlook you one contact at a time. PCVITA vCard converter software is best vCard converter which allows converting any number of contacts form vCard to Outlook as well as Outlook to vCard with few easy clicks. Just try once this vCard converter application and feel how software provides best result.