At times some photos & videos fail to backup because of some issues like account limitation, timeout etc. PicBackMan makes 2 additional attempts to backup failed uploads. However, if you want PicBackMan to make unlimited attempts, go to settings window, check mark ‘Retry Failed Uploads’. By doing so you instruct PicBackMan to make unlimited attempts to re-upload all failed uploads.
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