The Undo and Redo functions are accessible through the Edit menu from the top toolbar:
Edit > Undo
Edit > Redo
or by using the following shortcut keys:
Undo Shortcut Keys:
- CTRL + Z on Windows, Linux
- CMD + Z on Mac OSX
Redo Shortcut Keys:
- CTRL + Y on Windows, Linux
- SHIFT + CMD + Z on Mac OSX
Actions that can be undone / redone:
- Annotations (Textbox, callout, sticky note, typewriter, 8 shapes, sound, image, link, area highlight, measurements, stamp)
- Add
- New
- Paste
- My Comments
- Recent Comments
- Move
- Mouse
- Keyboard
- Resize
- Change properties
- Flatten
- Delete
- Mark with Checkmark
- Review
- Add
- Bookmarks
- Add
- Rename
- Delete
- Reorder
- Content editing – text, path objects, image
- Redact (before being applied)
- Delete
- Move
- Edit text properties (text data, font, outline color, size, etc..).
- Edit path object properties
- Resize path and image
- Form
- Edit field contents
- Markup (highlight, crossout, underline, squiggly, replace, insert)
- Add
- Move
- Change properties
- Flatten
- Delete
- Pages
- Rotate
- Crop
- Header/Footer/Watermark
Actions that reset the undo / redo stacks:
- Document
- Save
- Security
- Sig Field
- Sign
- Remove Sig
- Page
- Move
- Delete
- Form
- Flatten form fields
- Reset form fields
Actions that are being ignored:
- Document
- Attach file
- Add a blank page
- Insert pages
- Import Annotations
Undo was implemented in PDF Studio 8 and improved in PDF Studio 9.