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Case Study

NHSMail migration to Microsoft Exchange Online

NHSmail: World’s largest email migration to the cloud

Call for change

The legacy service embarked upon a transformational journey to reinvent how healthcare is delivered.

When tech meets human ingenuity

"The migration of NHSmail to Exchange Online has enabled us to provide staff across the NHS with a mail system which is functionally richer, more secure and lower cost."

— Sarah Wilkinson, former NHS Digital Chief Executive

A valuable difference

The numbers


of data copied to the cloud


support site hits on migration content


mailboxes migrated


users who required support

"We are incredibly proud to help the NHS and its essential front-line workers use the very best digital tools available to respond to the COVID-19 crisis."

— JULIE SWEET, Accenture Chair & CEO
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