Floppy Compatibility

Software 400k (MFS)
Read Write Format
System 7.1 (Update 3) and earlier X X X
System 7.5.5 X X
System 7.6.1 X
MacOS 8
DiskCopy 6.3.3 on System 7.x - 9.22 X

Sources

https://68kmla.org/forums/index.php?/topic/28930-which-laptop-has-a-floppy-that-i-can-use-to-make-800k-disks/#entry311490