CSP enforcement went live 1 March 2026. Here's what actually broke, what held up fine, and what every SharePoint environment can learn from the aftermath.

Still on the 90-day CSP delay? Your SharePoint Online enforcement deadline is 1 June 2026. Here's your 8-week action plan to audit violations, fix scripts, and test before the window closes.

SharePoint CSP enforcement broke your scripts? Learn how to diagnose CSP violations, fix inline JavaScript, and register trusted sources in SharePoint Online after the 1 March 2026 deadline.