This can lead to unexpected and unintended results when you use the Ctrl-Ins and Shift-Ins keyboard shortcuts for copying and pasting respectively.
Disable Overwrite Mode in Eudora
Fortunately, overwrite mode can be turned off in Eudora for Windows:
- Edit the X-Eudora-option AllowOverwriteMode and
- Set it to '0' to disable overwrite mode.