See "IMI GAL Exporter" -
http://www.imibo.com/imidev/Exchange/imige.htm
IMI GAL Exporter for MS Exchange Server is small utility for Exchange Admin
to export GAL (Global Access List) to MS Access 2000 table.
Key Benefits
Obtain information about all the mailboxes on a MS Exchange Server 5.x
or/and MS Exchange Server 2000
User can select more of Mailbox, Distribution List, Custom Recipient
properties from any Recipient container in Organization Tree and export it.
The add-on named "IMI Distribution List Content Exporter" is small utility
for Exchange Admin to export content of DList (Distribution List) to MS
Access 2000 table.