This error message: Excel was able to open teh file by repairing or removing the unreadable content.
Removed Records: Style from /xl/styles.xml part (Styles)
might be caused by date/time columns in the table without format

When exporting a table to an Excel file you might get this error message :

This error message: Excel was able to open teh file by repairing or removing the unreadable content.
Removed Records: Style from /xl/styles.xml part (Styles)

Please check that in all tables, for each date/time column, you have set the format.