How to delete find and delete OneDrive duplicate files in 2019

Jason B.
4 min readAug 23, 2019

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OneDrive duplicate files are common, just as with other storage medium. This guide will show you how to efficiently find and remove OneDrive duplicate files including duplicate photos all at once.

Detect and delete OneDrive duplicate files in 5 easy steps

Here we will take Mac for example and walk you through the whole process. Windows PC users can follow the same steps.

Step 1. Go to https://onedrive.live.com/about/en-us/download/. Download OneDrive app and get it installed. Launch the app. Sign in using your account.

Now it will let you know the default location of OneDrive on computer. You can change it based on your need. Click Next.

Step 2. You will be presented with two syncing options: Sync al files and folders in OneDrive and Sync only these folders. Here we choose the first one. Click next. Now you can find the OneDrive folder in Finder.

Step 3. Download and install Cisdem Duplicate Finder and open this duplicate file finder for OneDrive. Drag your local OneDrive folder into the app. Click Scan.

Step 4. Once it finishes scanning for duplicate photos, documents and other types of dupes in the folder, you can easily view and preview them. You can easily switch between three view modes and preview OneDrive duplicate files.

Step 5. By default, this OneDrive duplicate file finder will automatically select duplicate copies for users to delete with one click. It also provides other selection rules for users to choose from. Make sure that the unwanted dupes are selected. Click the Delete button to move them to Trash.

The desktop OneDrive app will automatically detect any changes and start syncing immediately. As a result, the OneDrive duplicate files in the cloud will also be deleted all at once instantly.

Cisdem Duplicate File Finder for Mac

- Find and delete duplicates in OneDrive, Mac’s internal storage, external HD, etc.
- Can find duplicate pictures, audios, videos, documents, archives and other dupes
- Detect OneDrive duplicate file by content or by filename, which is up to users
- Provide features like Auto-Select and One-Click Deletion
- Remove iTunes and Photos duplicates without damaging the libraries

Download Official Free Trial

PC users can use software like Duplicate Sweeper to look for and get rid of OneDrive duplicate photos and other types of duplicates.

In Duplicate Sweeper, click Add Folder. Click the Start Duplicate Search button in the upper right corner of the interface. You can use the Keep All Newest Files selection method or do the selection by hand. Make sure that the unwanted copies in each group of OneDrive duplicates are selected. Click Recycle Selected Duplicates to delete.

Note: When it comes to how to delete duplicate photos in OneDrive, you can preview photos before deletion. Most deduplication software will come with preview feature.

Will OneDrive upload duplicates?

Just like Google Drive, OneDrive does have a deduplication feature. When you try to upload a file twice or more times, you will receive a message telling you that a file with this name already exists. And you can choose to replace the existing one or rename the one you are going to upload. Also, there is an option allowing you them both.

So, the short answer is that OneDrive doesn’t upload duplicates. However, OneDrive can only identify duplicate photos and other dupes by filename and extension. It doesn’t identify duplicates by content. Duplicates with same content but different names still bypass the deduplication measure.

The OneDrive duplicate file remover software and steps in the section above are able to find and delete all the true OneDrive duplicates by content.

How to fix the OneDrive duplicate files with computer name issue

Here’s a common scenario. OneDrive duplicates a file with your computer named appeared in the filename. You can get the issue refreshing your credentials. For more information, you can check out this official troubleshooting guide.

Conclusion

OneDrive duplicate files such as duplicate photos can take up storage space. What’s more they can make it harder for you to manage your files. If you want to easily get rid of these useless dupes, the best way is to use third-party solution. In addition, there are also web-based OneDrive duplicate file finders. However, they will require access to your OneDrive account.

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