Migrating Contacts and Distribution Lists from Outlook to Active Directory
Active Directory, once it is extended by Exchange, provides a scalable solution for looking up contacts using the LDAP protocol. Resolving contact names using Outlook when accessing Active Directory is really fast, even if you have hundreds of contacts, and doesn't slow down the way it does when you have too many contacts in an Outlook contacts public folder.On the other hand Outlook contacts folders are really easy to use. You can import information from a lot of sources using the Import and Export wizard without much hassle. Any application which supports exports of its contacts to a text file can be exported to Outlook because you can always rearrange the contact field to match those of Outlook.
While Active Directory provides the LDIFDE and CSVDE utilities for importing bulk information, they are not really the easiest conversion utilities that one could hope for.(continue at source)








