How to Fix OneDrive ZIP Download Stuck at 0 KB/s
Question details
The user needs to download a massive 99 GB backup from OneDrive, but the web-generated ZIP download stalls completely at 0 KB/s.

- Product
- Microsoft OneDrive
- Device & OS
- not provided
- Scenario
- Creating a complete local copy of an entire OneDrive account before migrating to a new account.
- Observed behavior
- The large ZIP file download begins but eventually freezes indefinitely, displaying a transfer speed of 0 KB/s.
Before attempting to download massive amounts of data, ensure your local hard drive has sufficient free storage space (over 100 GB) and verify that your computer is connected to a stable, wired internet network to prevent connection dropouts.
Use the OneDrive Sync Client for Large Transfers
The most reliable method for downloading entire OneDrive accounts is to use the desktop sync client instead of relying on browser-based ZIP downloads.
Web browsers frequently struggle with massive, single-file downloads like a 99 GB ZIP archive, often leading to timeouts or frozen progress. The desktop sync client handles large volumes of data natively, can automatically resume interrupted transfers, and prevents browser-related crashes.
Look for the OneDrive cloud icon in your computer's system tray (Windows) or menu bar (Mac). If it is not running, search for OneDrive in your system menu and launch it.
Ensure you are signed into the correct OneDrive account that contains the 99 GB of data you wish to download.
Navigate to your local OneDrive folder using Windows File Explorer or macOS Finder to view all synced folders.
Right-click the main OneDrive folder (or select all the files and folders within it) and click the 'Always keep on this device' option.
Leave your computer powered on and connected to the internet until the status icons next to every file and folder change to a solid green circle with a white checkmark.

Download Files in Smaller Batches
If you cannot use the desktop client, circumvent the massive ZIP failure by downloading your data in smaller, manageable increments via the web.
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Frequently Asked Questions
Why does my OneDrive ZIP download stop at 0 KB/s?
Web browsers and network servers have strict timeout limits. When OneDrive attempts to package and transmit an extremely large ZIP file (such as a 99 GB account backup), minor network fluctuations can interrupt the connection, causing the browser download to stall permanently at 0 KB/s.
Is there a limit to how much I can download from OneDrive web at once?
Yes. OneDrive web interface limits ZIP downloads to a maximum of 250 GB and a total of 10,000 files per download operation. However, even if you are technically under these limits, downloading extremely large batches via a browser is highly prone to stalling and network timeout errors.
How do I confirm my OneDrive files are permanently stored on my local hard drive?
When using the OneDrive desktop sync client, inspect the status icon next to the file or folder in File Explorer or Finder. A solid green circle containing a white checkmark confirms that the file is permanently saved to your local drive and is safe for offline access.




