Go to the previous slide without playing effects.

`Alt` + `Page Up`

All hotkeys for Open Office Impress (Linux)

Function Keys Edit text.	`F2`
Function Keys Edit group.	`F3`
Function Keys Exit group.	`Ctrl` + `F3`
Function Keys Duplicate	`Shift` + `F3`
Function Keys Position and Size	`F4`
Function Keys View Slide Show.	`F5`
Function Keys Navigator	`Ctrl` + `Shift` + `F5`
Function Keys Spellcheck	`F7`
Function Keys Thesaurus	`Ctrl` + `F7`
Function Keys Edit Points.	`F8`
Function Keys Fit text to frame.	`Ctrl` + `Shift` + `F8`
Function Keys Styles and Formatting	`F11`
Comments mov thru commnts	`Ctrl` + `Alt` + `Page Up`
Comments mov thru commnts	`Ctrl` + `Alt` + `Page Down`
Slide Shows End presentation.	`Esc`
Slide Shows Play next effect (if any, else go to next slide). Or Space , Right arrow or or Page Down or Enter or N	`Down Arrow`
Slide Shows Play previous effect again. If no previous effect exists on this slide, show previous slide. Or Arrow Left/ Page Up or Backspace or P	`Up Arrow`
Slide Shows Go to next slide without playing effects.	`Alt` + `Page Down`
Slide Shows Type a number of a slide and press Enter to go to the slide.	`1` ... `9` + `Enter`
Slide Shows Go to the previous slide without playing effects.	`Alt` + `Page Up`
Slide Shows Jump to first slide in the slide show.	`Home`
Slide Shows Jump to the last slide in the slide show.	`End`
Slide Shows Go to the previous slide.	`Ctrl` + `Page Up`
Slide Shows Go to the next slide.	`Ctrl` + `Page Down`
Slide Shows Show black screen until next key or mouse wheel event.	`b` / `.`
Slide Shows Show white screen until next key or mouse wheel event.	`w` / `,`
Normal View Zoom in / Zoome out	`+` / `-`
Normal View Fit page in window.	`*` on numeric keyboard
Normal View Zoom in on current selection.	`/` on numeric keyboard
Normal View Group selected objects.	`Shift` + `Ctrl` + `g`
Normal View Ungroup selected group.	`Shift` + `Ctrl` + `Alt` + `a`
Normal View Enter a group, so that you can edit the individual objects of the group. Click outside the group to return to the normal view.	`Ctrl` + lick
Normal View Combine selected objects. Press again to split selected object	`Shift` + `Ctrl` + `k`
Normal View Bring to forward / Send backwards	`Ctrl` + `+` / `Ctrl` + `-`
Normal View Bring to front / send to back	`Shift` + `Ctrl` + `+` / `Shift` + `Ctrl` + `=`
Select and Move Elements Moves the selected object or the page view in the direction of the arrow.	`Arrow Keys`
Select and Move Elements Move around in the page view.	`Ctrl` + `Arrow Key`
Select and Move Elements Constrains the movement of the selected object horizontally or vertically.	`Shift` + drag
Select and Move Elements Hold down Ctrl and drag an object to create a copy of the object.	`Ctrl` +drag (with Copy when moving option active)
Select and Move Elements Hold down Alt to draw or resize objects by dragging from the center of the object outward.	`Alt`
Select and Move Elements Select the object behind the currently selected object.	`Alt` +click
Select and Move Elements Select the object in front of the currently selected object.	`Alt` + `Shift` +click
Select and Move Elements Select adjacent items or a text passage. Click at the start of a selection, move to the end of the selection, and then hold down Shift while you click.	`Shift` +click
Select and Move Elements Hold down Shift while dragging to resize an object to maintain the proportions of the object.	`Shift` +drag (when resizing)
Select and Move Elements Select objects in the order in which they were created.	`Tab`
Select and Move Elements Select objects in the reverse order in which they were created.	`Shift` + `Tab`
Select and Move Elements Exit current mode.	`Esc`
Select and Move Elements Activate a placeholder object in a new presentation (only if the frame is selected).	`Enter`
Select and Move Elements Moves to the next text object on the slide.	`Ctrl` + `Enter`
Slide Sorter Moves the focus to the first slide.	`Esc`
Slide Sorter Moves the focus to the next slide.	`Arrow Key`
Slide Sorter Makes the slide with the focus the current slide.	`Space`