Data Backup Problems

How to Back Up Known Folders from Multiple Computers to OneDrive Without Merging

Steven ParkerSteven Parker Oct 21, 2026 870 views

Question details

The user wants to back up Windows Known Folders (like Desktop and Documents) from multiple computers to a single OneDrive account without the files merging across devices.

How to Back Up Known Folders from Multiple Computers to OneDrive Without Merging
Product
Microsoft OneDrive
Device & OS
Windows
Scenario
Attempting to create separated, one-way backups of user folders from several PCs to the cloud using a single Microsoft account.
Observed behavior
OneDrive's Known Folder Move feature synchronizes files across all devices logged into the same account, resulting in files from different computers merging together.
Before you start

Verify your current OneDrive storage capacity to ensure it can accommodate the total data size from all your computers, and determine whether you strictly require separate backups or can adapt to a unified, synchronized file system.

Solution 1Recommended

Manually Back Up Files to Device-Specific Folders

Avoid automated merging by manually organizing your files into unique OneDrive folders assigned to each computer.

Because OneDrive is fundamentally designed to sync rather than provide separate one-way backups, the most reliable native method to keep files separated is bypassing the automated Known Folder Move and manually organizing your data.

1
Open OneDrive

Navigate to the OneDrive folder on your computer using File Explorer, or sign in to OneDrive through your web browser.

2
Create device-specific folders

Create a new folder and name it clearly after the computer you are currently using (e.g., 'Laptop_Backup' or 'Office_PC_Desktop').

3
Transfer your files

Manually copy and paste, or drag and drop, the files from your Desktop and Documents folders into this newly created device-specific folder.

4
Repeat for other devices

Perform this exact process on your other computers, ensuring you create a uniquely named folder for each device.

Manually Back Up Files to Device-Specific Folders
Manual Updates Required: Since this method relies on manual transfers instead of automated syncing, you will need to periodically drag new files into these folders to keep your backups up to date.
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Frequently Asked Questions

Why does OneDrive merge my Desktop files across different computers?

OneDrive's Known Folder Move feature is fundamentally designed to synchronize user data across all devices signed in with the same Microsoft account. It treats the Desktop and Documents folders as unified workspaces, which is why files from different computers merge together.

Can I set up a one-way backup natively in OneDrive?

No, OneDrive does not offer a native one-way backup option for Windows Known Folders. It operates on a two-way synchronization model. To achieve a one-way backup, you must manually upload files via the web interface or use dedicated third-party backup software.

Will pausing OneDrive sync prevent my files from merging?

Pausing the sync or temporarily signing out will temporarily stop files from uploading or merging. However, as soon as you resume sync or sign back in, OneDrive will compare the local and cloud directories and merge the files again. It is not a dependable long-term strategy for keeping backups separate.