I have SDM 14.1 with CUM 4, I updated yesterday and today the export button performs the export in xlsx format but when opening this file in excel the following error appears
"Excel can not open the .xlsx export file because the format or extension is not valid. Verify that the file has not been corrupted and that the file extension matches the file format"
Before the uptade this work correctly
Please, if you know how to solve this error let me know .
I have located this link which describes the fix to address the issue.
Thanks David-Ng - patch RO97242 needs to be applied, along with following its post-steps to fix this!