The constants HAS_XLSX_SUPPORT in [config.py](https://github.com/collective/collective.easyform/blob/639befeaa11136430d46a94c03ba92178e76779b/src/collective/easyform/config.py#L10C1-L15C1) and HAS_OPENPYXL in the [testMailer](https://github.com/collective/collective.easyform/blob/639befeaa11136430d46a94c03ba92178e76779b/src/collective/easyform/tests/testMailer.py#L34-L38) and [testSaver](https://github.com/collective/collective.easyform/blob/639befeaa11136430d46a94c03ba92178e76779b/src/collective/easyform/tests/testSaver.py#L32-L36) tests, specifically depend on the openpyxl package. Support for https://pypi.org/project/xlsxwriter/ would be a welcome feature addition.
The constants HAS_XLSX_SUPPORT in config.py and HAS_OPENPYXL in the testMailer and testSaver tests, specifically depend on the openpyxl package.
Support for https://pypi.org/project/xlsxwriter/ would be a welcome feature addition.