Migrate Data
Here's how to import your existing mail, personal contacts, and calendar events to your new Google Apps account.

Your IT Officer will assist you to migrate your data. 

Import from Microsoft Outlook®
Import data using Google Apps Migration
See what got imported (PDF)
Download Google Apps Migration for Microsoft Outlook® to import your email, personal contacts, and calendar events from your old Outlook profile into Google Apps.
Import from Lotus Notes®
Import personal contacts
Recreate calendar events
Import your personal contacts from Lotus Notes using vCards.

Copy over existing events from your old Lotus Notes calendar.
Import from a Mac mail program
Download Email Uploader for Mac
Use the Google Email Uploader for Mac to import your email from Apple Mail, Eudora, Thunderbird, or Entourage (on the Mac).