Help please.how to change a file picture to jpeg

I took a photo and when I downloaded it, I couldn't open it.it says the type of file is File.I want it in jpeg but have no idea how to alter it so I can view it.Please can you help!Anything I have tried so far does nothing to help so I want expert help please!Thanks a million!

geek_tramore, Mar 4, 3:43 pm

Windows Explorer, or control panel/folder options. Click tab 'view' uncheck 'hide extensions for known file types'. Then have a look. If it has no extension, add .jpg and save it. Ignore warning. Click ok. If you still can't see it, download Irfanview, install it and try again.

geek_hakatere1, Mar 4, 4:06 pm