The Zip on a Plus page (dead as of May 2) is also an excellent resource for getting a Plus to work with Zip drives. Back to FAQ Index 2.3.2 – Where can I get 400K or 800K floppy disks?
There are several good sources of 800K floppies in the U.S. OfficeMax and Office Depot both stock them in their catalog though finding them in a store is difficult. Officesupplies.com has several brands in their online catalog at reasonable prices. Disks Direct is another possible source. CP Jacobs also recommends the following: Dartek – 1-800-832-7835 Global Computer – 1-800-845-6225 Media Source – 1-800-241-8857 If you need 400K disks, just get 800K disks and format them as 400K. 400K disk drives have only one read/write head and thus only write on one side of the disk, but are otherwise the same as 800K disk drives. This allows you to use 800K disks in 400K drives. Many 400K drives run the risk of damaging the non-recorded side of the media, however, so if you do reformat 800K disks as 400K, don’t try to use them as 800K disks any more. Formatting 400K disks as 800K should NOT be done, since 400K disks are only certified for read/write use on one side of the media. The other side is