Here are the video size guidelines for IGTV: - Resolution recommended - 1080  ×  1920 - The minimum resolution can be 720 - Aspect ratio - 9:16 (recommended) and 16:9 (supported) - Video length - minimum is 1 minute and maximum cab be 15 mins long from mobile. From the desktop, you can upload a 1-hour long video - The maximum File size for videos less than 10 minutes is 650 MB. for videos going up to 60 mins, it is 3.6 GB - File format - MP4