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 can I check the IMEI number of my Lumia phone?
- I cannot download or update apps from Store on my Lumia. How can I resolve this issue?
- How can I prolong the battery life of my Lumia phone?
- What can I do if the camera on my Lumia phone does not work properly?
- Where are photos saved by the Lumia Selfie app on my phone?