Commonly there are 3 Micosoft Office 365 migration types; Stagged migration, Hybrid Migration, and Cutover migration.
Staged Migration: Staged Migration is the migration, which users complete in two or more stages. It is used in Exchange 2003 and 2007 versions to migrate more than 2,000 mailboxes.A staged migration is performed through the migration dashboard of the Exchange Admin Center or Exchange management shell scripts. It can take weeks to months to complete the O365 migration, depending on the number of mailboxes you have.
Hybrid Migration: With the help of Hybrid migration, users can migrate on-premises mailboxes to on-site. The Hybrid migration is idol way to migrate 150 to 2000 mailboxes in batches. This approach ensures seamless and easy migration to Office 365.
Keep in mind: The Hybrid migration doesn’t support migrating Public folders and only works in Exchange 2010 and 2013.
Cutover Migration: It is also known as Express migration and is the simplest migration type to implement. A cutover migration is supposed to migrate all the mailboxes in a single go. It is a suitable migration option for small and medium size’s organizations for Exchange to Microsoft 365 migration with as little effort as possible.
With Exchange Migration, organizations can migrate a maximum of 2000 mailboxes, but we recommend not exceeding the count of 150 mailboxes. The Cutover migration type work with Exchange 2003, 2007, 2010, and 2013.
These are the common types and ways to migrate mailbox to Microsoft 365, but to perform these migrations, you need good technical knowledge, or at least you have a technocrat in your team that will help you if stuck in a critical situation.
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