What are some alternatives?
When comparing Yippie Move and MigrationWiz, you can also consider the following products
imapsync - Console-based utility for migrating IMAP mailboxes.
MozBackup - Backup tool for Firefox and Thunderbird
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Cloudiway - Cloudiway is a unique SaaS migration and coexistence platform that allows businesses to move data...
IMAPSize - IMAPSize
OfflineIMAP - OfflineImap synchronizes email between an IMAP server and a MailDir or between two IMAP servers.