Hello JHBloom,
Please follow the steps given below :
1. Open Parallels Desktop.
2. Go to Parallels Desktop menu ( at the top left corner of your Mac Menu Bar) -> Preferences -> Shortcuts.
3. Press the “+” button at the bottom of the shortcuts list to add a new "shortcut".
4. In the “From” key section, press the Mac “Delete” key. The word Delete will appear.
5. In the “To” key section, select the “Backspace” key in the drop down box.
Thanks,
Maheeshwar
Last edited: Feb 14, 2014