This link maybe usefull for the specific case you want 
https://docs.microsoft.com/en-us/office/troubleshoot/office-developer/automa
te-excel-from-c

You can create a standalone DLL from it and then create C-FFI for squeak for
the specific functions you need.
Since the functions are in C++ you need to wrap them with extern "C" 
And to export them you need __declspec(dllexport) in the function signature.

-----Ursprüngliche Nachricht-----
Von: Squeak-dev [mailto:squeak-dev-bounces at lists.squeakfoundation.org] Im
Auftrag von tim Rowledge
Gesendet: Donnerstag, 25. Juli 2019 21:02
An: The general-purpose Squeak developers list
Betreff: Re: [squeak-dev] Squeak interface to microsoft app automation?

Thanks for the suggestions folks. Looks like several options, though all a
bit in need of work.

tim
--
tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim Useful random
insult:- Calling her stupid would be an insult to stupid people.