The agile way to migrate from Gmail to Office 365

I was recently working on a migration from Google Apps to Office 365 and was not happy with the big bang approach for migrating email as suggested by Microsoft. This is just too big a risk since email is a critical service for communication within the company – and with customers. It also meant that everyone would start using Office 365 at the same time, which provided no opportunity to improve the migration process once it was set in motion.

So I worked out a way to do an agile migration, where users could be migrated in batches and the administrator could refine the migration process with each iteration Kaizen-style. I decided to publish a generalised procedure that hopefully could be of use to others looking for a better way. At the very least, it should provide some insights into how to plan your own Office 365 migration.

Thanks to Finn McCann for reviewing the document and providing valuable insights. Enjoy!

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