Visual Studio 2008′s Outlook Add-in projects allows you to create add-ins that can customize almost any feature of Ms Outlook.
Two useful events that can be captured are ReminderFire and NewMailEx. The first occurs before a reminder of a calendar item
is executed. And the second occurs when a new email is received in the Inbox.

customoutlookprompt.zip (52.35 kb)

using System;
using System.Collections.Generic;
using Microsoft.Office.Interop.Outlook;

namespace PSTReader{
    classProgram{
        staticvoidMain(){
            try{
                IEnumerable<MailItem> mailItems = readPst(@"C:\temp\PST\Test.pst","Test PST");
                foreach(MailItem mailItem in mailItems){
                    Console.WriteLine(mailItem.SenderName+" - "+ mailItem.Subject);
                }
            }catch(System.Exception ex){
                Console.WriteLine(ex.Message);
            }
            Console.ReadLine();
        }

        privatestaticIEnumerable<MailItem> readPst(string pstFilePath,string pstName){
            List<MailItem> mailItems =newList<MailItem>();
            Application app =newApplication();
            NameSpace outlookNs = app.GetNamespace("MAPI");
            // Add PST file (Outlook Data File) to Default Profile
            outlookNs.AddStore(pstFilePath);
            MAPIFolder rootFolder = outlookNs.Stores[pstName].GetRootFolder();
            // Traverse through all folders in the PST file
            // TODO: This is not recursive, refactor
            Folders subFolders = rootFolder.Folders;
            foreach(Folder folder in subFolders){
                Items items = folder.Items;
                foreach(object item in items){
                    if(item isMailItem){
                        MailItem mailItem = item asMailItem;
                        mailItems.Add(mailItem);
                    }
                }
            }
            // Remove PST file from Default Profile
            outlookNs.RemoveStore(rootFolder);
            return mailItems;
        }
    }
}