Page 51 - Adobe Photoshop 2021

Navigating the Photoshop File History

In addition to using the Undo command to step back
through each previous action, you can 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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