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Microsoft 365 tenant isolation and data residency

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Microsoft 365 tenant isolation and data residency

How Microsoft 365 isolates tenant data, where it's physically stored, and the data residency commitments by region.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-tenant-isolation-and-data-residency

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01

How tenant isolation works

Every Microsoft 365 tenant has:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-tenant-isolation-and-data-residency

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Data residency

Microsoft 365 stores most customer data in datacentre regions tied to the tenant's billing country, or to a specific data residency commitment the customer chooses. The major regions:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-tenant-isolation-and-data-residency

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Advanced Data Residency

For organisations needing stricter control, Advanced Data Residency (ADR) is a paid add-on that extends the geographic guarantees to more services and pins them to specific country boundaries (rather than larger geograp…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-tenant-isolation-and-data-residency

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EU Data Boundary

The EU Data Boundary is Microsoft's commitment that customer data and pseudonymised personal data stays within the EU for processing. It applies to Microsoft 365, Dynamics 365, Power Platform, and Azure for tenants in E…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-tenant-isolation-and-data-residency

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Multi-Geo Capabilities

For multinational tenants, Multi-Geo lets a single tenant store SharePoint and OneDrive content in multiple geographic regions, scoped per user. Useful when the company is one tenant but employees need their personal da…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-tenant-isolation-and-data-residency

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What's stored where

A simplified mapping for an EU tenant:

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-tenant-isolation-and-data-residency

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