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Hey everyone,
I know a lot of admins and IT teams are planning to move from Exchange Server 2019 to Office 365 (Microsoft 365), and it can be a bit overwhelming given the number of methods and risks involved. Things like maintaining data integrity, minimizing downtime, handling large mailboxes, and ensuring a secure migration path are always top concerns.
I recently came across this in-depth guide that covers step-by-step ways to migrate Exchange 2019 mailboxes to Office 365, including:
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Native methods (Cutover, Staged, Hybrid migration)
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Pros & cons of each approach
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When to choose third-party tools for large-scale or complex migrations
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Key points to consider before starting, like permissions, mailbox size, and coexistence
Here’s the blog link if you’re interested: Exchange 2019 to Office 365 Migration – Step-by-Step Guide
It’s a solid resource for anyone looking to ensure a seamless Exchange 2019 to Microsoft 365 migration with zero data loss.
Has anyone here done a full migration recently? What approach worked best for you, hybrid setup or a migration tool?
