Do Applets run retroactively? May 03, 2018 23:54 Updated No. Applets are unable to access data or content that was created before the Applet was turned on. They are meant to run from data that has been newly added after they were turned on. Get help from IFTTT experts on Reddit and Hackster.io Related articles Can I make Applets work faster? Common errors and troubleshooting tips What does 'Check this Applet' do? Using non-English characters Why is there an “Image not found” message on my post?