IssueWhen attempting to connect to an Excel file saved as a "Strict Open XML Spreadsheet" file type using the standard Excel connector, an unexpected error occurs. The following additional behaviors may also occur depending on your Tableau Desktop version:
Tableau Desktop 10.0-10.1
The below error runs indefinitely
Tableau Desktop 10.2-10.5
The connection immediately fails with
Unable to connect to the Excel file. It might be corrupt.
Try opening the file in Excel, saving it under a new name, and then connecting from Tableau again."