First steps

First time using the program? With CodeTwo Exchange Migration, you get an automated way to move your data to Microsoft Exchange Server from a different Exchange server (including a hosted one), Office 365 (Microsoft 365), or an IMAP server. Go to the section of your interest and click a link to learn about specific topic.

System requirements and licensing

Supported platforms and requirements – see the technical specifications required to use the software.
Licensing – read about the licensing model in CodeTwo Exchange Migration.

Installation and updating

Installation process – find out how to install CodeTwo Exchange Migration.
Update or upgrade – learn about updating and upgrading the program, and how it affects the licensing.

To learn how to uninstall CodeTwo Exchange Migration, see this article.

Migration walkthroughs

Use the links below to learn how to prepare your environment and configure the program to migrate your data to the target Exchange server:

Cross-forest migration from Exchange 2010 to Exchange 2016/2019 – get instructions on all the stages of the migration process from Exchange Server 2010.
Cross-forest migration from Exchange 2013 to Exchange 2016/2019 – get instructions on all the stages of the migration process from Exchange Server 2013.
Cross-forest migration from Exchange 2016 to Exchange 2019 – get instructions on all the stages of the migration process from Exchange Server 2016.
Migration from Office 365 to Exchange 2016/2019 – get instructions on all the stages of the migration process from an Office 365 (Microsoft 365) tenant.
Migration from hosted Exchange server to Exchange 2016/2019 – get instructions on all the stages of the migration process from third-party hosted Exchange services, such as Intermedia, Rackspace or GoDaddy (Exchange 2010 and newer).
Migration from IMAP source to Exchange 2016/2019 – get instructions on all the stages of the migration process from a source IMAP email server, e.g. Google Workspace or Yahoo.

Program configuration

Connecting to a source environment:
- Exchange server – see how to configure a connection to the Exchange server from which you want to migrate your data.
- Office 365 – see how to configure a connection to the Office 365 (Microsoft 365) tenant from which you want to migrate your data.
- IMAP server – see how to configure a connection to the IMAP server from which you want to migrate your data.
Connecting to target Exchange server – learn how to configure a connection to the Exchange server to which you want to migrate your data.
Configuring a migration job:
- Step-by-step guide – get a quick reference to configuring a migration job in CodeTwo Exchange Migration.
- Mailboxes matching – learn how to match source mailboxes with target mailboxes to ensure successful migration.
- Using scheduler – discover the scheduler feature which lets you carefully plan your migration in time and automate the entire process.
- Filtering items to be migrated – see how to use time and folder filters to decide which items to migrate.
- Migration with a CSV file – see how to use a CSV file with your mailbox data in certain migration scenarios.
Delta migration – migrate only new (or previously excluded) items after the initial migration process has finished.

Monitoring & troubleshooting