Certain contact managers have character limits which may cause some notes to appear truncated when syncing. This is caused by one side of the sync supporting more characters than the other.
Microsoft Outlook 2003, 2007, 2010
Outlook Contacts notes, Calendar notes, and Tasks Notes
Palm Desktop 4.1, 4.2, 6.2
Palm Desktop Contacts notes, Calendar notes, Tasks notes and Memos
DejaOffice Contacts notes, Calendar notes, Tasks Notes, Expense Notes, and Memos
Google Contacts notes, Calendar notes
NOTE: CompanionLink limits the number of characters synced from any contact manger to Google to 50,000.