Hello James,
We apologize for the inconvenience caused by this issue.
As I understand you face a problem with duplicated files in your OneDrive on iOS device.
Before moving forward, to understand a source of this behavior we need more detailed information about the situation you meet. So, please kindly share with us the information below:
- May I know what version of Office you use? Please check for updates in AppStore.
- Tell us your version of iOS. Open Settings > General > About.
- Please provide the screenshots or photos of the issue.
We appreciate your understanding and I would like to ask you to reset OneDrive on your device. In Settings open OneDrive > tap on Clear Account Settings and restart OneDrive.
We will look forward to your reply.
Best regards,
Igor