I couldn’t find any shortcuts for the “arrange objects” option (Presentation Editor - Align and arrange objects on a slide). In Google Slides I got used to Ctrl+Up/Down to do it, but ideally it should be configurable.
For Google Slides: Keyboard shortcuts for Google Slides - Computer - Google Docs Editors Help
| Command | Shortcut |
|---|---|
| Send backward | Ctrl + Down arrow |
| Bring forward | Ctrl + Up arrow |
| Send to back | Ctrl + Shift + Down arrow |
| Bring to front | Ctrl + Shift + Up arrow |
For MS Powerpoint: Use keyboard shortcuts to create PowerPoint presentations - Microsoft Support
| Command | Shortcut |
|---|---|
| Send backward | Ctrl + [ |
| Bring forward | Ctrl + ] |
| Send to back | Ctrl + Shift + [ |
| Bring to front | Ctrl + Shift + ] |
For LO Impress: Shortcut Keys for LibreOffice Impress
| Command | Shortcut |
|---|---|
| Send backward | Ctrl + “-” |
| Bring forward | Ctrl + “+” |
| Send to back | Ctrl + Shift + “-” |
| Bring to front | Ctrl + Shift + “+” |