Microsoft Entra ID: Retirement of custom CSS layout and positioning properties in company branding

Microsoft Entra ID is retiring custom CSS layout and positioning properties in company branding, affecting organizations using these properties. This change requires action to update branding configurations before the deadline.

“Services: Microsoft Entra. [What and why]Action required only for organizations that use custom CSS layout and positioning properties. Organizations that were not using Custom CSS as of July 21, 2026, are not affected and cannot begin using it going forward. Microsoft Entra External ID tenants …”

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Identity

company_branding

Audience

admin

Environment

cloud

Classification confidence: 95%

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