MC1422063 Summary OneDrive for Business on Windows will improve sync error messages for paths exceeding 520 characters, guiding users to rename or move files without stopping sync. This update, rolling out mid-September to mid-October 2026, requires no admin action and aims to reduce support tickets and user confusion. What and why We are improving the OneDrive sync experience on Windows desktop to provide clearer, more actionable guidance when file and folder paths exceed th

Microsoft is ending OneDrive sync app updates on devices running Windows 10 version 22H1 and earlier. Beginning in August 2026, those devices will no longer receive OneDrive sync app feature updates, bug fixes, or security updates. This change aligns OneDrive support with the Windows lifecycle policy and helps Microsoft focus ongoing investments on supported operating systems. The OneDrive sync app will continue to receive feature updates, bug fixes, and security updates thr

What and Why: We are enhancing protection for sensitive documents by enforcing the Do Not Allow Screen Capture permission in the OneDrive and SharePoint web PDF viewer when accessed through Microsoft Edge. This update closes a known gap where browser-rendered PDFs did not enforce this Microsoft Purview Information Protection (MIP) control, aligning the web experience with desktop behavior. This improvement strengthens enterprise data protection and helps ensure sensitive cont