Faxing from an iPhone can be a convenient way to send documents. You can use apps like FaxFile or eFax, which allow you to send faxes directly from your phone. Simply upload a document, enter the recipient's fax number, and send it off. Have you tried any fax apps before, or is this your first time attempting to fax from your iPhone? Feel free to share any specific needs or questions you might have—I'm here to help!