Undo /Redo

`Ctrl` + `Z` / `Ctrl` + `Y`

All hotkeys for Camtasia 8 (Windows)

Manage Camtasia Projects Create new project	`Ctrl` + `N`
Manage Camtasia Projects Open Project	`Ctrl` + `O`
Manage Camtasia Projects Save project	`Ctrl` + `S`
Manage Camtasia Projects Produce and share	`Ctrl` + `P`
Manage Camtasia Projects Import media	`Ctrl` + `I`
Recorder Hotkeys Record/ Pause	`F9`
Recorder Hotkeys Stop	`F10`
Recorder Hotkeys Marker	`Ctrl` + `M`
Recorder Hotkeys ScreenDraw	`Ctrl` + `Shift` + `D`
PowerPoint Add-In Record / Pause	`Ctrl` + `Shift` + `F9`
PowerPoint Add-In Stop	`Ctrl` + `Shift` + `F10`
Editor Playback Controls Previous clip/ next clip	`Ctrl` + `Alt` + `Arrow Left` / `Arrow Right`
Editor Playback Controls Step backward/ forward. Press and hold to rewind/ fast forward.	`Ctrl` + `Arrow Left` / `Arrow Right`
Editor Playback Controls Play/ Pause	`Space`
Editor Timeline Navigation Previous Clip/ next clip	`Ctrl` + `Alt` + `Arrow Left` / `Arrow Right`
Editor Timeline Navigation Step backward/ step forward. Press and hold to rewind/ fast forward.	`Ctrl` + `Arrow Left` / `Arrow Right`
Editor Timeline Navigation Zoom In	`Ctrl` + `[` + `]` / `Ctrl` +Mouse Wheel up
Editor Timeline Navigation Zoom out	`Ctrl` + `-` / `Ctrl` +Mouse Wheel up
Editor Timeline Navigation Zoom to fit	`Ctrl` + `F9` / Mouse Wheel down
Editor Timeline Navigation Zoom to maximum	`Ctrl` + `F11` / `Ctrl` + `Shift` +Mouse Wheel Up
Editor Timeline Navigation Zoom to selection	`Ctrl` + `F10`
Editor Timeline Navigation Select next clip/ previous clip	`Ctrl` + `Shift` + `Alt` + `Arrow Right` / `Arrow Left`
Editor Timeline Navigation Select from current position to the end of the timeline / to beginnig of timeline	`Ctrl` + `Shift` + `End` / `Home`
Editor Timeline Navigation Select between markers	`Ctrl` + `Shift` + `[` / `]`
Editor Timeline Navigation Previous marker/ next marker	`Ctrl` + `[` / `]`
Editor Timeline Navigation Jump to end/ beginning of timeline	`Ctrl` + `End` / `Ctrl` + `Home`
Editor Timeline Navigation Make a selection step-by-step	`Ctrl` + `Shift` + `Arrow Right` / `Arrow Left`
Editor Effects and Elements Add Callout	`C`
Editor Effects and Elements Add Zoom	`Z`
Editor Effects and Elements Add caption	`A`
Editor Effects and Elements Add Transition	`T`
Editor Effects and Elements Add Marker	`M`
Editor Effects and Elements Split	`S`
Editor Effects and Elements Extend frame	`E`
Standard Windows Shortcuts Cut/ Copy /Paste	`Ctrl` + `X` / `Ctrl` + `C` / Ctrl_V
Standard Windows Shortcuts Undo /Redo	`Ctrl` + `Z` / `Ctrl` + `Y`
Standard Windows Shortcuts Select all	`Ctrl` + `A`
Standard Windows Shortcuts Open help	`F1`
Standard Windows Shortcuts Activate menu bar	`Alt` + First letter of menu item
Standard Windows Shortcuts Display system menu	`Alt` + `Space`
Standard Windows Shortcuts Remove focus from current control, menu, pr close dialog box	`Esc`
Standard Windows Shortcuts Close tab or child window	`Ctrl` + `F4`
Screen Draw Hotkeys Enable ScreenDraw	`Ctrl` + `Shift` + `D`
Screen Draw Hotkeys Tool Width	`1` … `8`
Screen Draw Hotkeys Shape - Frame	`F`
Screen Draw Hotkeys Shape - Highlight	`H`
Screen Draw Hotkeys Shape - Ellipse	`E`
Screen Draw Hotkeys Shape - Pen	`P`
Screen Draw Hotkeys Shape - Line	`L`
Screen Draw Hotkeys Shape - Arrow	`A`
Screen Draw Hotkeys Color - Black	`K`
Screen Draw Hotkeys Color - Blue	`B`
Screen Draw Hotkeys Color - Cyan	`C`
Screen Draw Hotkeys Color - Green	`G`
Screen Draw Hotkeys Color - Yellow	`Y`
Screen Draw Hotkeys Color - White	`W`
Screen Draw Hotkeys Color - Magenta	`M`
Screen Draw Hotkeys Color - Red	`R`