OneDrive sync troubleshooting
Understand how OneDrive sync works on Windows, read its status, and fix the common reasons files don't sync.
- Level
- Beginner
- Length
- About 40 minutes
- Contents
- 3 lessons · 1 video · final exam
- Status
- Published · updated 2 Oct 2026
- Microsoft 365
Skills you'll practise
- Explain the Files On-Demand states and what each means for disk space and offline use.
- Identify file names, paths and sizes that OneDrive can't sync, and fix them.
- Resolve a sync conflict without losing either version of the work.
- Choose the least disruptive fix, from pausing and resuming to a OneDrive reset, and verify the result.
Course outline
- 1.OneDrive sync troubleshootingVideo · 5 min
- 2.How OneDrive sync worksLesson · 8 min
- 3.Files OneDrive can't syncLesson · 8 min
- 4.Conflicts, resets and safe recoveryLesson · 8 min
- 5.OneDrive sync troubleshooting: knowledge checkKnowledge check · 14 questions
- 6.Final exam7 questions · passing it completes the course, so people who already know the material can test out
Sources it draws on
The lessons and questions are written from these references, so learners can go back to the original.
- Microsoft Learn: Restrictions and limitations in OneDrive and SharePoint
- Microsoft Learn: Save disk space with OneDrive Files On-Demand for Windows
- Microsoft Learn: Reset OneDrive
- Microsoft Learn: Redirect and move Windows known folders to OneDrive
- Microsoft Learn: Fix OneDrive sync problems
See it with your own jobs and topics
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