OneDrive log analyser

See what synced. Find what waited.

Read the OneDrive sync client’s diagnostic logs to see what it did and when. Select a log folder or zip to investigate.

A laptop showing a diagnostic timeline beside a portable drive, with the Perth skyline through the window.

OneDrive sync diagnostics

Read your logs.

1. Select logs

Processed in your browser. No log files or log contents are sent to CCP or any other server.

or drag the logs folder or zip here

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Select a folder or zip to begin.

2. Time range and options

Time zone of the PC/user (used for all times) From To Only events matching (text or regex, optional)

More options

Include timestamped lines from text logs Text-log dates like 03/04/2026 are Report gaps in OneDrive activity longer than (minutes) Max events kept for browsing Records to keep for browsing

Charts and issue detection always use every record; these options only limit what is kept for browsing and tracing.

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