The unregistered version of IMAP Messages Extractor is almost fully functional. However, it has some limitations - However, it has some limitations - you can not extract messages larger than 4Kb and you can not use "Process Only New Messages" flag. Also, we can provide only limited support (and with low priority) to unregistered users.

When you register, you'll get the registration key (serial number) which remove registration screen. Your registration key will work for all future versions of IMAP Messages Extractor (or we may provide you with the new key if the keys will be changed for some reason).