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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. 1.OneDrive sync troubleshootingVideo · 5 min
  2. 2.How OneDrive sync worksLesson · 8 min
  3. 3.Files OneDrive can't syncLesson · 8 min
  4. 4.Conflicts, resets and safe recoveryLesson · 8 min
  5. 5.OneDrive sync troubleshooting: knowledge checkKnowledge check · 14 questions
  6. 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

Tell us about your team and we'll walk you through setup, from choosing jobs to your first skills check.