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The DataTraveler 400 driver helps Windows recognize the USB flash drive and communicate with it for everyday file transfers. If your DataTraveler 400 is not detected or appears with a warning in Device Manager, checking its driver is a useful troubleshooting step. Microsoft supplies the standard USB storage drivers used by Windows; this does not mean Microsoft manufactures the device.
Key Features
- USB storage recognition: Allows Windows to identify the drive and make its storage accessible when the device is functioning correctly.
- Standard file access: Supports copying, moving, and opening files through Windows’ built-in storage system.
- Device Manager integration: Lets you check device status, review driver information, and troubleshoot detection errors.
- Built-in Windows support: Standard storage functionality generally uses Microsoft drivers included with Windows, rather than a separate device-specific installer.
How to Install DataTraveler 400 Driver
- Check your Windows version. The listed supported systems are Windows 10, 8.1, 7, Vista, and XP. For Windows 10/11 searches, note that Windows 11 is not included in this page’s compatibility list.
- Connect the drive directly. Insert the DataTraveler 400 into an available USB port and allow Windows to install the standard storage driver automatically. Avoid a USB hub while troubleshooting.
- Check Device Manager. If the drive is unavailable, look under Disk drives or Universal Serial Bus controllers. Open the device’s properties and check for an error message before attempting an update.
- Use a trusted update source. Run Windows Update or use Device Manager’s driver update option where available. Before choosing any DataTraveler 400 driver download for Windows, verify its source and compatibility. A free download should not require payment to unlock standard Windows USB storage support.
- Reconnect and test. Restart Windows if prompted, reconnect the drive, and check File Explorer. If it still does not appear, try another USB port and inspect Disk Management. Do not format a drive containing files you need to recover.
Keep your system’s USB and storage components updated through trusted Microsoft channels where updates remain available. The latest version offered for your Windows installation is preferable to an unverified driver package, but an update will not fix every hardware, connection, or file-system problem. If the drive already works reliably, a separate driver download is usually unnecessary.
Driver Details
| Device | DataTraveler 400 |
|---|---|
| Vendor | Microsoft |
| Category | Other |
| Supported OS | Windows 10, 8.1, 7, Vista, XP |
| Published | October 31, 2026 |
| Updated | October 31, 2026 |