A visible directory listing does not prove that every part of a Windows 95 floppy disk is readable. This guide covers preparing and accepting a backup on a suitable modern workstation. It does not promise to repair damaged media or run old software.
1. Identify the medium and destination
Assign each disk a unique identifier and photograph its label. Record the format, intended drive and any damage. Stop reading if there is visible damage, mould or unusual noise: an important sole copy needs specialist attention. Do not accept formatting or filesystem repairs on the original.
Check that the drive supports the actual floppy format; a USB connection alone does not guarantee compatibility. Apply any mechanical write protection correctly according to the media instructions. Create a separate empty destination folder for each disk on another healthy storage device. Keep the old Windows 95 PC disconnected from the public internet.
2. File copy or disk image?
A file copy may suffice for ordinary documents that read without errors. It does not automatically preserve boot sectors, deleted areas or special disk structures. Those requirements need a suitable imaging method; even a normal sector image cannot capture every historical special format or copy protection.
GNU ddrescue is a tool for a suitable modern recovery workstation, not a Windows 95 menu command. When errors occur, it tries to read the good areas first. Its mapfile records progress and permits resuming; it does not replace the image file. The source, new image destination and mapfile must belong unambiguously to this exact medium. Never confuse them or reuse an unrelated mapfile. Device names may change after restarting. Do not begin without reliable identification; no generic device command is provided here.
3. Check the result, not the progress bar
- Record the tool version, date, source identifier, destination and reported read errors. An existing image or normal program exit alone does not prove complete recovery.
- For file copies, compare names, subfolders, counts and sizes. Open important documents only from the copy in a suitable protected environment; do not run unknown programs or macros.
- For images, review the status summary and mapfile. Explicitly mark unread or faulty areas as unresolved. Run filesystem checks or extraction only on an additional working copy.
- Keep a second verified backup separately. A checksum can detect subsequent changes to the backup but does not prove the original read was complete.
4. Stop deliberately when errors occur
Do not perform endless retries, write tests or repairs on the original. Record the missing files or areas and decide whether specialist recovery is appropriate for the value of the data. Label partial copies clearly as incomplete. Retain the original, image, corresponding mapfile and report until the transfer has been accepted.
Source: GNU ddrescue – Debian Manpages.