It may also corrupt the rest of the disk. Do not leave disks in the drive when switched off. Never touch the recording surface of the disk inside the plastic case. Fingerprints and dirt can make reading the disk impossible and can be transferred onto the drive heads to corrupt other disks. Keep disks away from sources of magnetism such as monitors, telephones, television, radios etc.
Magnetic fields can corrupt the data on the disk.
Keep disks away from extremes of heat, moisture and out of direct sunlight. These may cause problems accessing files on the disk. Back-up floppies regularly. If data is particularly important, then keep several copies. Care of Your Mouse Don't drop the mouse or allow it to hang by the cable.