I am completely new to Photoshop. I have a PSD file which has multiple layers, and I need to export various images/components from this PSD and export them to JPEG.
You can export all layers by using the following batch tool in Photoshop:
In the menu
File → Scripts → Export layers to files...
you can set JPEG at the "file type" option.
This works in CS to CS5.
If you are using Adobe Photoshop CS6 do the following:
And that's it. Job done.