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.
- How do I remove an account from my Lumia phone?
- How do I insert dialing pause into a contact phone number on my Lumia phone?
- What is the glance screen for my Lumia phone?
- Where can I find information about WhatsApp, Skype, Angry Birds, Twitter, NimBuzz, Viber, Fring, or some other non-Microsoft application (3rd party application)?
- What are effects on the Cinemagraph app on my Lumia phone?