Winsoft Office Component Suite v3.3 for Delphi/C++ Builder 5 - 10.4 Sydney Full Source
Delphi and C++ Builder components for automating Microsoft Office.
supports Microsoft Office 2010 - 2019
contains Excel and Word components
available for Delphi/C++ Builder 5 - 10.4 and Lazarus 2.0.8
source code included in registered version
distributing components in applications is royalty free