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.
- The person I am calling on my Lumia cannot hear me
- What can I do if the screen on my Lumia will no longer rotate?
- Can I get a notification if I receive call or text messages from blocked numbers?
- How can I block phone calls and text messages on my Lumia using the call+SMS filter app?
- I cannot send or receive text messages on my Lumia phone