OneDrive File Issues

How to Fix Slow or Delayed OneDrive File Synchronization

Steve K Oct 9, 2026 869 views

Question details

The user is experiencing unusually slow synchronization times in OneDrive, even for small files like pictures, despite having a high-speed internet connection.

How to Fix Slow or Delayed OneDrive Synchronization

Product: OneDrive
Device & OS: not provided
Scenario: Uploading or syncing local files to OneDrive cloud storage.
Observed behavior: File synchronization takes hours to complete or appears delayed, even though network bandwidth settings are set to unlimited.

Before you start

Before troubleshooting, run a quick internet speed test to ensure your local connection is stable and the issue is isolated strictly to the OneDrive application.

Solution 1Recommended

Verify Bandwidth Limits and Restart OneDrive

Ensuring OneDrive is not artificially throttling your upload speed is the quickest way to resolve slow sync issues.

Even if your broadband connection is fast, OneDrive may be internally configured to limit upload and download rates to preserve network resources. Removing these limits and restarting the client can force a faster sync.

Open OneDrive Settings

Right-click the OneDrive cloud icon in your system tray (Taskbar). Click the gear icon (Help & Settings) and select 'Settings' from the menu.

Remove Network Limits

Navigate to the 'Network' tab. Under both the Upload rate and Download rate sections, select 'Don't limit', then click 'OK' to save your changes.

Restart the OneDrive Client

Right-click the OneDrive icon again and choose 'Quit OneDrive'. Wait a few seconds, then open your Windows Start menu, search for OneDrive, and launch it again to restart the sync engine.

Verify Bandwidth Limits and Restart OneDrive

Sync Refresh: Restarting the client clears temporary hangs and forces OneDrive to re-evaluate the sync queue with your newly applied unlimited bandwidth settings.

Solution 2

Clear Stuck Files from the Sync Queue

Files that are blocked or waiting for processing can cause the entire synchronization queue to delay.

Free Microsoft Office alternative

Try WPS Office with Built-in WPS Cloud for Faster Syncing

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Frequently Asked Questions

Why is my OneDrive sync so slow even with fast internet?

Even with high-speed internet, OneDrive synchronization can be delayed by a massive quantity of small files, high background system activity, server-side throttling by Microsoft, or internal client bandwidth limits.

Does file size or quantity affect OneDrive sync speed?

Yes. Synchronizing thousands of small files (like pictures) often takes significantly longer than syncing a few large files of the exact same total size. The sync engine requires processing time to authenticate and log every individual file.

How can I check if OneDrive is currently syncing?

Click the OneDrive cloud icon in the taskbar notification area. The flyout menu will display the current sync status, showing either 'Up to date', a list of files currently uploading/downloading, or any files that require attention.

Document & File Issues