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Continue to ChatAdd Office 365 CDN rule to have a document library for each SharePoint site https://sharepoint-tricks.com/add-office-365-cdn-rule-to-have-a-document-library-for-each-sharepoint-site/
Add Office 365 CDN rule to have a document library for each SharePoint site https://sharepoint-tricks.com/add-office-365-cdn-rule-to-have-a-document-library-for-each-sharepoint-site/