Hello and thank you for your question, I look forward to assisting you today. What type of an organizer is he using?
My apologies for the delay. There is the option of backing up the data stored on the organizer to a PC, but I will need to research further to see what is compatible. Please be patient and I will reply as soon as I can.
Do you have the original software and cable that came with the organizer?
From what I have found, about your only option is to maintain a computer with Windows 7 using what is called Windows XP virtual mode. Windows 10 does not support this and any workaround that I have read about, is pretty convoluted to say the least. I would definitely stick with something you know to work so you don't take the chance of losing any data. Please let me know if you have any further questions.