Unlike YouTube, IGTV is built around the needs of smartphone users primarily. The service even displays videos in vertical format only because that’s how we hold our smartphones. The IGTV video requirements are also optimized for smartphone users.
The maximum file size for a video which is 15 seconds to 10 minutes long is 650MB. If you’re an average Instagram user with a few hundred followers, you can only upload videos up to 10 minutes long, and 650MB is the maximum video size IGTV will accept on your account.
For larger Instagram accounts, the IGTV video