Introduce the operation method:

First, enter a new horizontal screen resolution and import the video.

Open the love clip on the computer, and change the video size to1920 *1080 (1080p) in the new box that pops up.

Click "Add Video" in the lower left corner of the Video panel to import the vertical video into the software in the pop-up box.

Due to the inconsistent resolution, black edges will appear on the left and right sides of the video. If you want to remove the black edge, you can cover the black edge with a map or cut the black edge of the video to remove it ~

Second, remove the black edge of the video.

Double-click the video preview area on the right side of the superimposed material-Add Map panel, and click Add Map to List in the lower left corner of the pop-up box to import personal map. Change the duration on the right to match the video duration.

Effect reference

2. Under "Picture Style"-"Picture", check "Free Zoom (Picture Editing)" and pull the "Zoom" slider on the right to a positive number to edit the video size.

I hope I can help you!