In the library, divide the project for the office into one that can be built without a third-party lib, and one that cannot.
There could be two projects: Office and Office.Extensions.
TODO.
Determine what functionality is included in the namespace OpenXmlPowerTools.
Transfer the functionality included in the OpenXmlPowerTools namespace to the Office.Extensions project.
Adapt all third-party libraries that used the Office project.
Description.
In the library, divide the project for the office into one that can be built without a third-party lib, and one that cannot. There could be two projects:
OfficeandOffice.Extensions.TODO.
OpenXmlPowerTools.OpenXmlPowerToolsnamespace to theOffice.Extensionsproject.Officeproject.