Hello,
Welcome to Microsoft Community Forum. I understand that you want to trim your video from the middle using the trim tool within Movie Maker. I will assist you on your inquiry.
To remove the middle part of the video, you can use the Split tool of Movie Maker. To do this, please follow the steps below:
- Open Movie Maker and your video.
- Go to Edit panel on the upper part of the screen.
- Adjust the slider below the preview panel of Movie Maker to the starting point of the part that you want to delete.
- Click Split.
- Adjust the slider to the end point of the part that you want to delete and click Split.
- Now, you can delete it by right clicking the part and hit Remove.
We hope that this answers your inquiry.
Let us know the results afterwards.
Thank you.