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Dear @Justina Diveley ,
I hope you’re having a good day.
To help determine the cause, could you please share the exact error message you are receiving, or a screenshot of the error (with any personal information removed)?
It would also be helpful to know:
- Whether the Excel file is stored in OneDrive, SharePoint, or on your local computer.
- Whether you are sharing the file from Excel Desktop or from the SharePoint/OneDrive web interface.
- Whether the coworker is inside or outside your organization.
With the information currently provided, there are several possible causes ranging from file permissions and sharing policies to issues with the file location itself, so the exact error message will be the best place to start.
Please understand that our initial response does not always resolve the issue immediately. However, with your help and more detailed information, we can work together to find a solution.
Looking forward to hearing back from you with any updates or additional details.
Warm regards,
If the answer is helpful, please select "Yes, accept answer". If you have any questions or new updates, please feel free to comment below.