Yes, you can upload a video to TikTok on Duet. To do so, follow these steps:

  1. Open the Duet app and sign in.
  2. Click on the “Upload” button in the top left corner of the main screen.
  3. Type in a filename and click on the “Upload” button.
  4. The app will ask you to enter a description for your video. Type in a brief summary of your video and click on the “Upload” button to finish uploading your video!