Cover by PHP unit test  No action is required (CI will check for us): dataformat/ods/tests/writer_test.php dataformat/excel/tests/writer_test.php Some manual tests:  Log in as admin Go to the Site Administration >> Users >> Bulk user actions In the "Users in List" section. Add users to the selection list In the "With selected users...", select Download in the dropdown. Click the Go button. Select "Comma separated values (.csv)" in the dropdown. Click the download button. Confirm  downloading the file is successful Please, repeat the process  (step 6) by changing the file type: Microsoft Excel (.xlsx) OpenDocument (.ods)   Third party libraries Login as admin. Navigate to Site Administration > Development > Third party libraries. Verify that the version of OpenSpout is 4.13.0