Twitch: Dual Format Streaming
Twitch's new Dual Format Streaming feature allows you to broadcast both a traditional horizontal stream for web and a mobile-optimized vertical stream at the same time.
This guide will walk you through how to set up Dual Format streaming on Twitch with XSplit Broadcaster.

Setting up Dual Format Streaming

On the upper-right drop-down, select Multi Output Mode. Change Output 2's resolution to 1080 x 1920 (16:9).
- Enable Dual Format in Twitch Properties

In your Twitch Properties, enable Enhanced Broadcasting then Dual Format.
- Start your Dual Format stream

Click on the Stream button to start Dual Format streaming.
Related Articles
Updated on: 16/06/2026
Thank you!