If the Windows Fax and Scan not working in Windows 11, you can try some working fixes described in this article to resolve the issue.

Windows Fax and Scan application can practically turn your computer into a fax machine and proves to be a big money and time saver. You can send and receive Fax online without using a Fax machine.

How to Scan a Document and Then Email it Using Windows Mail. Scanning business documents, such as contracts and proposals, and emailing them to clients can reduce your paper costs and long ...

Professional photographers use cropping tools to cut away parts of images they don't want. You can do the same thing using your scanner and the Windows Fax and Scan cropping tool.

I've taught my mom how to use Windows Fax and Scan, so any new software would have to be not only good, but good enough to justify abandoning the old software, which is really not bad.