Lumia Video Trimmer is able to trim all clips captured with your Lumia device. Commonly these are H.264 with an .mp4 container. You can't trim a video which you have downloaded from web. Most likely it probably is not in the right format.
- Which languages does Cortana support?
- Where can I find info about the amount of memory on my Lumia?
- How do I find the MAC address and other phone information of my Lumia phone?
- Will I get “Hey Cortana” voice activation after Lumia Denim update?
- How do I resolve an issue if my Lumia backup reaches 96% and stops with error?