OneDrive File Issues

How to Stop OneDrive Duplicate Files in the Downloads Folder

Ayan Masood Oct 7, 2026 868 views

Question details

The user is experiencing an issue where duplicate files and folders with modified names are automatically generating in the local Downloads folder.

How to Stop Duplicate Files and Folders in the Downloads Folder

Product: OneDrive
Device & OS: not provided
Scenario: Managing local storage and cloud folder backup to prevent unwanted file duplication.
Observed behavior: Duplicate files and folders are continuously appearing in the local directory, often appended with a device name or number due to synchronization conflicts.

Before you start

Before adjusting your settings, temporarily pause your OneDrive synchronization to prevent any new duplicate files from being created while you troubleshoot the issue.

Solution 1Recommended

Adjust OneDrive Sync and PC Backup Settings

Resolve the most common cause of duplicated files by fixing overlapping settings in your OneDrive folder backup and sync preferences.

When multiple synchronization settings overlap or when Office applications conflict with OneDrive's background processes, duplicate copies are generated to prevent data loss. Adjusting these parameters will usually stop the duplication behavior immediately.

Open OneDrive Settings

Click the OneDrive cloud icon located in your Windows taskbar, click the gear icon, and select Settings.

Manage Folder Backup

Navigate to the 'Sync and backup' tab and click 'Manage backup'. Ensure your folders (like Desktop, Documents, and Pictures) aren't trapped in a redundant sync loop. Verify that the OneDrive folder itself isn't configured as a source folder.

Enable Files On-Demand

In the 'Advanced settings' menu, toggle on the 'Files On-Demand' feature. This keeps your files securely in the cloud until explicitly opened, preventing automatic local downloads that can cause duplication.

Resolve Office Sync Conflicts

Under your File Collaboration or Office sync settings, ensure the option to let Office applications merge changes is selected to reduce application-level conflicts.

Adjust OneDrive Sync and PC Backup Settings

Check Third-Party Sync Tools: Make sure your main OneDrive folder isn't accidentally selected as a backup source for a separate third-party sync tool (like Google Drive or Dropbox), as this will instantly trigger endless file duplication.

Solution 2

Unlink and Relink Your OneDrive Account

Resetting your OneDrive connection forces a fresh synchronization scan, which clears deep-rooted synchronization conflicts that cause folder duplication.

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Frequently Asked Questions

Why does OneDrive keep adding my computer name to files?

When OneDrive detects that a file has been modified on multiple devices simultaneously, or if an application locks a file during synchronization, it creates a duplicate with the computer's name appended to ensure no data is accidentally overwritten or lost.

How can I quickly remove the duplicate files from my Downloads folder?

You can open File Explorer, navigate to your Downloads folder, and use the search bar to look for the appended text (such as your computer name or '-Copy'). Select the filtered files and safely delete them in bulk once you verify your original files are intact.

Is it safe to Unlink my PC from OneDrive to fix this?

Yes, unlinking your PC only breaks the active synchronization connection. Your files remain completely secure in the OneDrive cloud, and you can reconnect at any time without any risk of data loss.

Can PC Folder Backup cause my Downloads folder to duplicate?

Yes, if your Downloads folder is incorrectly mapped to a backed-up folder (like Documents or Desktop), or if multiple backup agents are targeting the same directory, it can trigger an endless duplication loop.

Document & File Issues