That was my exact question until I learned more about faxing protocols. Even though email is convenient, many institutions still require fax because it’s considered more official and traceable in certain industries. Faxing from your phone bridges the convenience of mobile tech with that level of acceptance. Once I found resources like
https://www.techspot.com/news/106844-how-fax-phone-secure-reliable-effortless.html, the whole process clicked for me—the article explained how modern services make mobile faxing just as intuitive and reliable as email, but with added confirmation and legal standing. My advice: understand the requirements of whoever you’re sending to. If they insist on fax, do it confidently from your phone with a trusted service.