PowerPoint Shortcut Bring To Front / Forward

Command Keyboard Shortcut
Bring Objects to Front Bring Objects to Front Alt + Shift + F
Bring Objects Forward Bring Objects Forward Alt + Ctrl + F

PowerPoint Shortcut Send To Back / Backwards

Command Keyboard Shortcut
Send Objects To Back Send Objects To Back Alt + Shift + B
Send Objects Backwards Send Objects Backwards Alt + Ctrl + B