Choose File > Import Media > Import files. Then choose your video to import and click on Open. Or click on Import media here and apply it to multiple projects or press Ctrl + I.

Then click on Editing Mode to open the editing function.

Step 1: Download and install iMyFone Filme on your PC. You just need to follow these steps below: What's more, with Filme, you can quickly fix your vertical video and remove those black bars from vertical video and replace them with the artistic blurry background. Filme will help you do all the video editing from basic to advanced. IMyFone Filme is a video editing software that is optimized for new video designers who do not have much experience in editing videos with other software. Holding a cell phone vertically when recording video is a common mistake that makes the black bars appear on both sides of your video. The problem also happens when you record video by phone. When you play vertical videos with a 3:4 aspect ratio on TVs or monitors, black borders will appear to be added to the video to fill in the gaps. The two most common aspect ratios are 4:3 and 16:9. Remove Black Bars from Vertical Video - Fill Background Part 3: Remove Black Bars from Vertical Video - Online Tool Part 2: Remove Black Bars from Vertical Video - iOS iMovie Part 1: Remove Black Bars from Vertical Video - Fill Background

How to make vertical video in imovie