A couple of folks have written and asked for ideas about making the move from Gmail POP to IMAP. They already have their mail downloaded into Entourage but IMAP will download that mail again. This could take a while depending on how much mail is in the INBOX.
Entourage will sync all messages in your INBOX if you have Live Sync enabled (see the Configure advanced IMAP settings section in my earlier post Connect Entourage . . .
Continue Reading: Create Gmail labels and make Entourage folders