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MC 0.387 · 6 Nov 2026, 20:47 EST

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Everything about App-Only Access

Article · SharePoint
SharePoint Online REST API Authentication Update: Client Credential Deprecation
SharePoint Online REST API auth update: Client credentials deprecated. Migrate to Entra ID app permissions with certificate-based auth for unattended integrations.
Vinay AyinapurapuAug 36401,000

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SPO SharePoint REST API Entra ID Certificate Authentication Deprecation

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