Using the Menu...

Save a desktop notebook to the cloud

With the notebook you want to copy to the cloud frontmost, choose File Save to Wolfram Cloud:

  • After saving the notebook to the cloud, the notebook on the desktop is the cloud notebook. To continue working with the original desktop notebook, open it anew.

Open the copy in the cloud

Click the Cloud Files icon and locate the notebook you copied to the cloud:

Programmatically...

Use CloudDeploy to save a copy of a notebook to the cloud with a given name:

In the Cloud Files list, click Upload File(s), choose a file to upload and open it in the cloud files list: