Page 53 - Adobe Photoshop 2022

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

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