SharePoint Excel Services WorkbookNotSupported – The file you selected cannot be opened because it contains feature(s) that are not supported by Excel Services.

In this post, you’ll learn about the error message “WorkbookNotSupported – The file you selected cannot be opened because it contains feature(s) that are not supported by Excel Services. One or more of the following unsupported features were detected in the workbook:
{0}”
that you usually receive when working eith the Excel Services in SharePoint.

When working with SharePoint Excel Services, there are error codes that are generated in the SOAP exception when the errors occur in the Excel Services. You can use the SubCode property that is available in the SoapException class to identity these error codes and troubleshoot the issue.

Error Message

WorkbookNotSupported – The file you selected cannot be opened because it contains feature(s) that are not supported by Excel Services. One or more of the following unsupported features were detected in the workbook:
{0}

Reason for the Error

The workbook contains unsupported features.
0 = a \n separated list of unsupported feature names.

Solution

Make sure the workbook does not contain features that are not supported by Excel Services.