YippieMove!

Console-based utility for migrating IMAP mailboxes.

IMAPSize is a portable freeware Windows application that allows you to quickly and efficiently manage your IMAP mail accounts. It is not another mail client. The main purpose of IMAPSize is to locate space consuming folders and allow you to manage them, hence putting your storage quota under control. To accomplish this task IMAPSize offers a variety of useful (and some unique) operations.

MigrationWiz provides on-demand mailbox migration services through a fully automated cloud-based solution that can be accessed at anytime from anywhere to perform a seamless mailbox migration on demand. Without the inconvenience of additional hardware or software to install, this patent pending technology allows the consumer to sign-up, configure and initiate a migration in a matter of minutes with no prior experience.

By using the Audriga migration service you can move your email accounts and groupware accounts including emails, contacts, calender data and tasks and easy, fast and secure to your new provider. No software installation is required. Our service supports Microsoft Exchange, Open-Xchange, which is used by various large hosting providers, Google, Zimbra, and every CardDAV/CalDAV and IMAP/POP3 provider. Using the email migration service provided by groupware-migration.com is as easy as using a webmail system.Many providers are directly supported (e.g., Office 365/Exchange Online, Apple iCloud, Arcor, GoDaddy, Gmail/Google App, Yahoo!, 1&1, GMX, Web.de, Host Europe, domainFACTORY, 1blu, Jimdo, Rackspace, Intermedia, Fasthost, Strato, T-Online) and additional providers can be manually configured.If you host yourself we support a wide list of systems (e.g., Atmail, CommuniGate, Courier, Cyrus, Dovecot, Exchange, IMAP-UW, Novell Groupwise, Open-Xchange, Scalix, TOBIT, Zarafa, Zimbra). »

IMAP Upload is a tool for uploading a local mbox file to IMAP4 server. The most stable way to migrate to Gmail.

mnIMAPSync - Java IMAP email syncing tool

ShuttleCloud is a cloud migration service that helps you switch online services like email, contacts, documents, etc.