Undo

In PDF Studio, it is possible to undo most actions.

Undo or redo by selecting Edit > Undo or Edit > Redo, or by using the standard shortcut keys:

Undo: CTRL + Z (Cmd + Z on Mac OSX)

Redo: CTRL + Y (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)

Bookmarks

Content editing – text, path objects, image

Form

Markup  (highlight, crossout, underline, squiggly, replace, insert)

Pages

Actions that reset the undo / redo stacks:

Document

Page

Form

Actions that are being ignored:

Document

Import Annotations