Where is Phone on File for express purchases available? June 09, 2017 01:41 Updated Currently, Phone on File is available through some merchants for customers in the UK, Germany and Italy. Related articles How did I register my phone on file for express purchases? How can I cancel Phone on File for express purchases? I replied STOP to cancel Phone on File for express purchases but my text message failed to deliver. What is Boku? I received a text message saying that my phone was saved on file for future express purchases. What does this mean?