How to Send Fax Using the RingCentral Desktop App How to send fax using the Ring Central desktop app # How to send fax using the RingCentral desktop app On the left-side panel, click the Fax icon > Send new fax Enter the 10-digit fax phone number of the person you're faxing, attach the file you'd like to send (Text, PDF, or Word document) and click Send now
