Sending faxes using Windows 11.

Unable to add optional feature. However, I have windows fax and scan

But I am prompted for fax server/modem

You need a landline fax modem, not a broadband modem.

Windows fax wisard does not recognize my Xfinity modem

I do like William do; make your document in a PDF but make it as a fax page with FAX on the top and a few FAX looking additions. Then I email it to the company in question using info@ or admin@ and their web address. In the cover text I say that this is to be looked at coming into their FAX tray. Such use for my part is for 80% to medical facilities, who often will not advise an email address but a fax number to their clients, which is ridiculous, since today most people do not have a fax machine or a fixed land phone line usable for a fax. The company will get the FAX(e-mail) to the right desk anyway. I use windows 11 and New Outlook with the option ticked so I can see that the email (FAX) has actually arrived in the company's email in-tray. To me it just shows how ridiculous the system is and why I believe that at least paying subscribers to the Microsoft 365 plan should have a Microsoft FAX program readily available in their otherwise large group of various programs. Cheers, Jorgen

What "policy matters"?

What kind of business would spend money on making a brand new software on a dying landline and dying fax machine that will also not bring you any money because you want it for free service?

Silicon valley makes all kinds of free services --- for new and exciting areas where growth is exponential, not where declines are exponential.