+1 all Colab files are the standard Jupyter .ipynb extension: we very much want to avoid any notion of lock-in. We bundle them all into a folder for you in Driv

+1 all Colab files are the standard Jupyter .ipynb extension: we very much want to avoid any notion of lock-in. We bundle them all into a folder for you in Drive: it takes you like a second to take all of your work to any competitor.