Did you say that you sent it to your daughter and she can open it, so you do have it somewhere, right?
if you want to save something to a flash drive, just go to file and say save as. Then when you are done, check the flash drive to see that it is there and you can use it.
if you burn a disk, just follow the instructions and when finished besure you can use the disk to be able to open it.
if your daughter has it, tell her to save it and then call it up and rename it and send it to you and see if you can open it. It might save you setting back the computer.