Arduino Cloud enables files to be edited either in the cloud or on the desktop IDE to be effortlessly shared to both, enabling sketches to be edited from any device.

Create an Arduino Cloud account
https://login.arduino.cc/

Save an edited sketch locally, then upload to the cloud:

Arduino Cloud accounts:

Arduino Create 1.  UN: ardcre1@aceraschool.org PW: Neopixel

Arduino Create 2.  UN: ardcre2@aceraschool.org PW: Neopixel

Arduino Create 3.  UN: ardcre3@aceraschool.org PW: Neopixel

Arduino Create 4.  UN: ardcre4@aceraschool.org PW: Neopixel

Arduino Create 5.  UN: ardcre5@aceraschool.org PW: Neopixel

jonathandietz27@gmail.com  #AceraIOT123

You can pull sketches from the cloud, or push sketches to the cloud: