The age of the files and floppy disk are only incidental concerns here. The data, if it still exists, is recoverable.
Is the Disk Unformatted?
Since the disk has files stored to it, it has already been formatted. An unformatted disk does not have the capacity to store any data.
Why is the Message that the Disk is Unformatted Appearing?
Unformatted files cannot hold any files. Therefore, the prompt is probably inaccurate and another reason exists for the inability to open the file. Two primary reasons exist behind an “unformatted disk” message that is not actually accurate. When a disk bites the dust and is no longer viable for saving files to, it will prompt the same message as an unformatted disk. Additionally, if the disk drive is bad, it cannot recognize the floppy disk and it will prompt the same message.
Is the Data Recoverable?
Fortunately, you can use a data recovery program to retrieve the files from the floppy disk. Only those files that were not overwritten will be recovered. Therefore, you should obtain a data recovery program to retrieve the files.
How Do Data Recovery Programs Work?
Data recovery programs scan the media for files and retrieve them. Depending on the size of the drive, floppy, or whatever that is being scanned, the entire process can take as little as a few moments to a much longer period of time. With a floppy disk, the entire process will most likely take only a few, short moments.
Using a Data Recovery Program
The easiest way to retrieve data from a floppy disk that cannot be read by the computer is to use data recovery software. One of the most reliable applications that I have had the opportunity to try personally is ParetoLogic Data Recovery Pro. You can check out its features and capability at the following link: Data Recovery. This application offers a free scan to determine whether or not any data is recoverable. Plus, it is capable of retrieving many different types of files including documents, graphics, photos, and more.

I’m assuming that you’ve already cleaned out the “Deleted Items” folder or Recycle Bin that is in your email program. When you click “delete” on an email in your inbox, it will go to this folder until you manually empty it out. I’m embarrassed to say that I have to go in there all the time to recover things that I was too quick to delete. Good thing that most email programs have this “holding pen” so that you are absolutely sure you want to get rid of it.
The Good and Bad News about Data Recovery 