Welcome to the MIT App Inventor Tips and Tricks playlist. This tip is about creating a backup project (checkpoint) in MIT App Inventor so that you have a backup file if you mess up your project.

For more tips for MIT App inventors, watch the full playlist: https://www.youtube.com/watch?v=CZ9jaIyeMds&list=PLgikoIjnSj5azUVxcdR2RT3reJsZqcNfr

Do you want to create fantastic mobile apps using MIT App Inventor, watch the complete course to create 100+ apps and games using MIT App Inventor: https://www.youtube.com/watch? v=YqaptBdq8c4&list=PLgikoIjnSj5bn8pnRun824NzFQ5bmKfSJ

Create a chat app in MIT App Inventor: https://youtu.be/u49UkrrFdsw
Create a voice assistant in MIT App Inventor: https://youtu.be/gzPR4xUXmEo

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