You can usually use a card in a camera without formating it. Have you tried this yet? If you need to format it you can get a card reader for you computer and format it through that. Just right click on the card and format should be one of the options...
You can convert any video format to anything you want with many free applications. I would recommend using SUPER. You can get it at:
It seems that the locking tab is in the locked position. Unlock it. Look for the little tab on the side of the card. Avoid attempting to use a memory cards as a Flash Drives for storage of documents, mp3 files, etc. Your camera is not sophisticated e...