Page 51 - Adobe Photoshop CC 2020

Navigating the Photoshop File History

In addition to using the Undo command to step back through
each previous action, you can use the use the History panel Snapshot
(Window>History) to navigate back to earlier stages . thumbnails
Create new document
Every action you take is recorded as a state in the History Individual from current state
panel . You can click any state to return to that particular point history states
in the document progression . You can also delete specific Create new snapshot
states or create a new document from a particular state using Source for the
History Brush
the buttons at the bottom of the panel . Delete current state
By default, the History panel stores the last 50 states;
older states are automatically deleted . You can change
that setting in the Performance pane of the
Preferences dialog box . Keep in mind, however, that
storing a larger number of states will increase the
memory that is required to work with a specific file .
Keep the following in mind when using the History
panel:

• The default snapshot is the image state when it
was first opened .
• The oldest state is at the top of the list . The most
recent state appears at the bottom .
• You can save any particular state as a snapshot to
prevent it from being deleted when that state is no longer If you need to keep a record of a file’s history even after you
within the number of states that can be stored . close the file, you can activate the History Log option in the
History Log pane of the Preferences dialog box . When this
• The history is only stored while the file is open . When you option is checked, you can save the history log as metadata,
close a file, the history and snapshots are not saved . in a text file, or both . You can also determine the level of
• When you select a specific state, the states below it are detail that will be recorded in the history log .
dimmed so you can see which changes will be discarded if
you go back to a particular history state . • Sessions Only records each time you launch or quit, and
each time you open and close individual files .
• Selecting a state and then changing the image eliminates
all states that come after it . • Concise adds the text that appears in the History panel to
the Sessions information .
• Deleting a state deletes that state and those after it . If you
choose Allow Non-Linear History in the History Options • Detailed gives you a complete history of all changes made
dialog box (accessed in the History panel Options menu), to files .
deleting a state deletes only that state .

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