To be sure, turn on airplane mode while still at home. If the lessons in your current unit remain colored (not grayed out), they are successfully cached and ready for offline use. Important Limitations to Keep in Mind
While the "download entire course" button was officially retired around 2021, premium subscribers still get more robust background caching and can often access more of their learning path offline than free users. Step-by-Step: How to Prepare for Offline Learning download offline duolingo
Offline mode isn't a 1:1 replacement for the online experience. Be aware of these hurdles: To be sure, turn on airplane mode while still at home
How to Download Duolingo for Offline Use: A 2026 Guide Learning a language on the go is one of the biggest draws of Duolingo , but what happens when you’re on a long-haul flight or stuck in a dead zone? While Duolingo once offered a straightforward "Download" button for entire courses, the feature has evolved significantly. Step-by-Step: How to Prepare for Offline Learning Offline