Hi,
What's the file format?
What did the file create day?
Did the file appear in OneDrive desktop or web?
I suggest you check the file in OneDrive for web, if the file is not existed in OneDrive for web try to reset OneDrive:
https://support.microsoft.com/en-us/office/reset-onedrive-34701e00-bf7b-42db-b960-84905399050c
Please be a bit more precise to explain your problem or you can upload a screenshot so that I can get more accurate solutions to this problem. I’m glad to help and follow up your reply.
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