This dialog shows you the detected format of the video sequence during the saving process. To detect the format of your video, click the Export Video button on the Home tab bar and select either of the following options: Video File, 3D Video File, Portable Video, Lossless Video, Blu-ray Movie Disc, Blu-ray Data Disc, DVD Movie Disc, DVD Data Disc, Image Sequence, YouTube, Flickr, Dropbox, Google Drive, OneDrive, or Vimeo.
Click the Detect button next to the Preset field. Detect will adjust the video output resolution format based on your monitor screen size.
If you want to use a different format you can select the format from the Preset drop-down list.
Click OK to use the selected format as the output format.