MC1255405 – Microsoft Edge for Business: Cross-tenant support using Intune Mobile Application Management (MAM)

Product:

Intune, Microsoft 365 suite, Microsoft Edge, OneDrive, Purview Data Loss Prevention

Platform:

mobile, Online, Web, World tenant

Status:

In development

Change type:

New feature, Admin impact

Links:

557187

Details:

Summary:
Microsoft Edge for Business will support cross-tenant Intune Mobile Application Management (MAM) policies, enabling data protection on devices managed by different tenants. This opt-in feature, rolling out from February to April 2026, secures corporate data without extra enrollment or disrupting user experience.

Details:
[Introduction]
Microsoft Edge for Business now supports cross-tenant Intune Mobile Application Management (MAM) policies. This update allows organizations to apply Intune App Protection Policies to Edge work profiles even when the device is managed by another tenant. This capability helps protect corporate data in cross-tenant scenarios such as contractors, partners, or mergers, without requiring additional device enrollment or disrupting the end-user experience.
This message is associated with Microsoft 365 Roadmap ID 557187.
[When this will happen:]
Public Preview (Worldwide): We will begin rolling out mid-February 2026 and expect to complete by early April 2026.
General Availability (Worldwide): We will begin rolling out early April 2026 and expect to complete by mid-April 2026.

Change Category:
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Scope:
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Release Phase:
General Availability, Preview

Created:
2026-03-19

updated:
2026-03-19

Public Preview Start Date

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Task Type

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Docu to Check

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MS How does it affect me

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MS Preperations

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MS Urgency

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linked item details

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summary for non-techies**

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Direct effects for Operations**

Data Storage Changes
Protected downloads are redirected to OneDrive for Business instead of local storage, changing where corporate data is stored and potentially impacting data access and retrieval processes.
   - roles: Admins, Users
   - references: https://learn.microsoft.com/deployedge/microsoft-edge-cross-tenant-support-using-intune-mam, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557187

User Experience Disruption
If cross-tenant MAM is enabled without proper communication, users may experience confusion regarding where their downloads are stored and how to access them, leading to frustration.
   - roles: Users, Helpdesk Teams
   - references: https://learn.microsoft.com/deployedge/microsoft-edge-cross-tenant-support-using-intune-mam, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557187

Compliance Risks
Changes in data processing and access under Intune App Protection Policies may lead to compliance issues if not properly managed, especially in regulated industries.
   - roles: Admins, Compliance Officers
   - references: https://learn.microsoft.com/deployedge/microsoft-edge-cross-tenant-support-using-intune-mam, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557187

Increased Support Requests
The introduction of new policies may lead to an increase in support requests from users who are unfamiliar with the changes, impacting helpdesk resources.
   - roles: Helpdesk Teams, Admins
   - references: https://learn.microsoft.com/deployedge/microsoft-edge-cross-tenant-support-using-intune-mam, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557187

Policy Management Complexity
The need to review and potentially update existing Intune App Protection Policies may create additional workload for admins, complicating policy management.
   - roles: Admins, IT Managers
   - references: https://learn.microsoft.com/deployedge/microsoft-edge-cross-tenant-support-using-intune-mam, https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=557187

Configutation Options**

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Opportunities**

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Potentional Risks**

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Data Protection**

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IT Security**

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DPIA Draft**

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explanation for non-techies**

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