Why do some offices still use faxing?

I often wonder why faxing hasn’t completely disappeared. Many businesses, hospitals, and government offices still ask for documents by fax instead of email. Why is that, and is there a modern alternative?
 
Faxing is still widely used in certain industries because it’s legally recognized and considered secure for sensitive information. I read a detailed explanation on derekdubois.net that clarifies why faxing remains relevant. The article also explains how modern faxing has evolved: you can now send and receive faxes digitally via Android or online apps, integrate with cloud storage, and even sign documents electronically. I started using digital faxing for work after reading it, and it saved me a lot of time and trips to print shops. It’s fascinating to see a traditional technology adapt so well to modern digital workflows.
 
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