.
...
When upgrading from OfficeWriter 3 (ExcelWriter 6, WordWriter 3) to OfficeWriter 4 or later, some changes to your .NET code may be required.
For details see:
- Upgrading ExcelWriter V6 to V7
- Upgrading from ExcelWriter 6 to ExcelWriter 7.x
- Upgrading from WordWriter 3 V3 to WordWriter 4V4