If you want to change video aspect ratio or set default transition effect to video and photo clips, you can use Project Settings.

Audio

Check this option if you want to maintain synchronization between soundtrack and video track during preview. This is important if your soundtrack contains content such as voice narration which must be synchronized with video content.
Note: this option may cause audio pause temporarily during project preview. This does not affect output video file when you Save video.

Video aspect ratio

When you create a new project, it will use the default aspect ratio of 16:9. You can change this setting if you want to create video with a different aspect ratio. For example you can select ratio of 1:1 for creating profile video, or ratio of 9:16 for Instagram videos.

Transition

You can use this setting to set default transition effect for new photos and video clips that will be added to your project. This can also be used to set transition effect for all existing photos and video clips.
There are two options:

• Random: new photos and video clips will be added with random transition effect.
• Specific: new photos and video clips will be added with the selected effect from the list.

If you check Apply to all existing photos/videos, the selected option will also be applied to all photos/videos currently in your project when you press OK.

Transform

You can use this setting to set default transform effect for new photos and video clips that will be added to your project. This can also be used to set transform effect for all existing photos and video clips.
There are two options:

• Random: new photos and video clips will be added with random transform effect.
• Specific: new photos and video clips will be added with the selected effect from the list.

If you check Apply to all existing photos/videos, the selected option will also be applied to all photos/videos currently in your project when you press OK.

Photo duration

Use this setting if you want to set default duration for new photos that will be added to your project. Also if you check Apply to all existing photos, the duration of all current photo clips in your project will be changed to the selected value.

Photo motion

You can use this setting to set default motion effect for new photos will be added to your project. This can also be used to set transform effect for all existing photos.
There are two options:

• Random: new photos will be added with random motion effect.
• Specific: new photos will be added with the selected effect from the list.

If you check Apply to all existing photos, the selected option will also be applied to all photos currently in your project when you press OK.