There is a folder named ‘PicBackMan’ in ‘C’ drive of your computer. All your migrated or downloaded photos and videos are stored here in this folder. If you wish to store them at a different location, click on ‘Click here to change’ (on the settings page) and specify another folder to store and save photos.
PicBackMan is a free photo/video uploader that helps you to keep your memories backed up to your favorite online services.
Users in 130+ countries have backed up.
... an excellent job of uploading more then 300GB of photos to 2 different services