The OWA settings let you control the behavior of OWA 2003 clients.
The OWA settings are:
Archive confirmation
'Archive Explorer' in Basic OWA client
'Archive Explorer' in Premium OWA client
Archive subfolders
Basic archive function
Basic restore function
Client connection
Delete shortcut after restore
Forward mode
Location for restored items
Open mode
Premium archive function
Premium restore function
Reply mode
'Reply To All' mode
Restore confirmation
'Search Vaults' in Basic OWA client
'Search Vaults' in Premium OWA client
View mode
Web Application alias