Restoring default preferences
On the desktop, double-click the Adobe Photoshop icon to start Adobe Photoshop and then immediately hold down Ctrl-Alt-Shift (Windows) or Command-Option-Shift (Mac OS) to reset the default settings. Opening a file with Adobe Bridge Click the Go to Bridge button ( ) on the tool options bar. You can also open Adobe Bridge by choosing File > Browse.

Rename your files using bridge
• Choose Tools > Batch Rename.
• Under New Filenames in the Batch Rename dialog box, choose Text from the Current Filename pop-up menu.
• Click the plus button at the far right side of the New Filenames area, and choose
• Sequence Number from the pop-up menu.
• Click the plus button to create a third criterion, and then choose New Extension from the pop-up menu.
• Type jpg – no period necessary – only if your files are jpg into the extension text field.

Undoing multiple actions
The Undo command (CONTOL + z) reverses only one step. However, you can still step back through multiple actions using the History palette. By default, the Photoshop History palette retains only the last 20 actions. You can change the number of levels in the History palette by choosing Edit > Preferences > General
You can also use CONTROL + ALT + z to undo more than 1 action

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