I Found a Box of Old Floppy Disks. Now What?

You cleaned out a parent’s desk, or a closet you haven’t opened since you moved in, or a box in the attic that has been there since the Clinton administration. And now you have a stack of 3.5-inch floppy disks.

Some are labelled. Some are not. Most of them probably still work. Here is what to know before you do anything with them.

What is probably on them

Floppy disks were the USB sticks of the 1990s. People used them for everything they wanted to move between computers or keep safe. Common finds:

• Documents. Word files, spreadsheets, letters, resumes, school papers. If someone used a computer for work or school between roughly 1990 and 2003, their important documents probably lived on floppies at some point.
• Photos. Early digital camera photos, scanned family photos, clip art projects. These are small files — a 1.44 MB disk holds maybe 5–10 photos at 1990s resolution, but those photos may not exist anywhere else.
• Tax records and financial documents. People backed up Quicken and TurboTax data to floppies religiously.
• Software installers and game saves. Less sentimental, but occasionally someone wants that Doom save from 1994.
• Nothing. Blank formatted disks, corrupted disks from a dying drive, or yes, the AOL trial CDs of the floppy world.

If the disks came from a deceased relative’s home, they are more likely to contain the kind of documents and photos that no longer exist anywhere else. That is worth checking.

Are they still readable?

More often than you would expect. Floppy disks degrade — the magnetic signal weakens over time — but they degrade slowly when stored at room temperature. A disk from 1998 stored in a desk drawer has decent odds. A disk stored in a hot attic or damp basement has worse odds, but is not a lost cause.

The main enemies of long-term floppy storage:

• Heat. Accelerates oxide degradation. Attics that hit 130°F in summer are rough on magnetic media.
• Humidity. Promotes mold growth on the magnetic surface and degrades the binder.
• Magnets. Obvious, but worth saying. Speakers, some cabinet latches, bulk erasers.
• Physical damage. A bent metal shutter, a cracked case, a disk that doesn’t spin freely inside the shell.

If the disks have been in a box at room temperature and they look physically intact, I would expect the majority to be at least partially readable.

What not to do

Don’t throw them away. The cost to read a floppy disk is low. If there is any chance they contain files you care about — and if you can’t tell because they aren’t labelled — it is cheaper to find out than to wonder.

Don’t force a damaged disk into a drive. If the metal shutter is bent or the disk doesn’t slide in smoothly, stop. Forcing it can scratch the magnetic surface and turn a recoverable disk into a destroyed one.

Don’t buy a USB floppy drive and assume it’s definitive. A USB floppy drive that reads the disk — great, copy the files. A USB floppy drive that fails to read the disk tells you very little. These drives have minimal tolerance for degraded media. Flux-level imaging can often recover data from disks that USB drives give up on.

Don’t leave them on a speaker or near a magnet. Probably obvious, but I have seen it.

If you want to try reading them yourself

If you have a USB floppy drive (around $15–$20 online), you can try the easy ones yourself:

1. Check the disk physically. Slide the metal shutter open and look at the magnetic disk inside. It should be smooth and clean. If you see mold, discolouration, or scratches, do not insert it.
2. Insert the disk. It should slide in with no resistance.
3. Give it a few seconds. The drive will spin up and try to read. If it mounts, copy everything off immediately — don’t browse, just copy the whole disk to a folder.
4. If it fails, set it aside. Don’t retry five times. Each attempt is wear on a degraded surface.

The disks that work on a USB drive are the easy wins. The ones that don’t are candidates for flux-level recovery — a different process that captures the raw magnetic signal rather than relying on the drive controller to decode it.

What to tell me

If you decide to send them in or drop them off:

• Roughly how many disks. Determines whether bulk pricing applies and how long the job takes.
• Any labels. If they are labelled, I can prioritize the ones that matter most to you.
• Where they were stored. “Desk drawer for twenty years” is different from “garage in Florida.”
• What computer they came from, if you know. Mac disks and PC disks use different file systems. Both are readable, but knowing in advance saves a step.

Got a box worth going through? Start a case — I’ll tell you what’s recoverable before charging anything. Pittsburgh locals can drop them off directly.