OneDrive for Business: Improved Windows Desktop sync error messages for max path length

OneDrive for Business on Windows will improve sync error messages for file paths exceeding 520 characters, guiding users to rename or move items without stopping sync. This update, rolling out late July to mid-August 2026, reduces confusion and support tickets with no admin action required. 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 the supported 520-character limit. The updated experience will show exactly how many characters a path exceeds the limit and will provide a guided flow to rename or move affected items so they can sync successfully. This improvement addresses a common OneDrive sync issue by reducing user confusion, minimizing workflow disruption, and helping users resolve errors faster. This update is associated with Microsoft 365 Roadmap ID 557563. Rollout schedule General Availability (Worldwide): Beginning late July 2026 and expected to complete by mid-August 2026 Impact on your organization Who is affected All users of the OneDrive sync client on Windows desktop Platforms and services OneDrive for Business (Windows desktop sync client) What will happen Max path errors are one of the most commonly reported issues by OneDrive sync users. Currently, when a file or folder path exceeds the 520-character sync limit, the error message only states how many characters the path exceeds the limit and asks users to shorten it. In addition, File Explorer limitations may prevent users from renaming paths over 260 characters, and the sync client may stop syncing until the issue is resolved. As part of this improved error experience, when users encounter max path errors, the sync client will continue running and users will be guided through a custom rename and move experience. With this update: The sync client will continue running when users encounter max path errors Users will be guided through a custom rename and move experience to resolve issues directly The rename experience will: Show the number of over-limit characters Highlight which items in the path can be renamed Allow renames even when the path exceeds 260 characters The move experience will: Show over-limit character counts […]

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