To convert any images in ACDsee Select the images you would like to batch convert.
Right click and select batch —> convert file format —> Convert. This brings up a configuration page. Where you only have to worry about a couple settings. Using the same settings as shown below will be good.
Click on convert, this will start converting the photos to JPEG. once its completed you’ll get a log of the photos converted. Close this and your new JPEG photos will be visible