How to Use the History Log Feature in Photoshop CS6
In the History Log section, you can have Photoshop CS6 record all your editing commands. The History Log feature is handy if you want to present a finished, fully edited image to a client or manager, but need to be able to show the steps of how you got there.
Or maybe you want a record of the steps so that you can repeat them on other images and don’t want to rely on your memory.
You have a few formats in which you can save your history log:
Metadata: Saving the log to metadata (information embedded in your image file) allows you to view the log in the Bridge window and in the History tab of the File→File Info dialog box.
Text File: You can save the log to a text file. Click the Choose button to provide a name and location for the file.
Both: This option saves the log as both metadata and a text file.
Edit Log Items: You select Sessions Only, Concise, or Detailed. The Sessions Only option records your editing until you close the file or quit Photoshop. The Concise option keeps a comprehensive log (multiple sessions), but in short and sweet steps. The Detailed option provides a comprehensive, detailed log.
For example, a concise log entry may be just Crop, whereas a detailed log entry may be Crop to rectangle, also providing the original and cropped dimensions, the angle, and the resolution values.
The last option in the General Preferences dialog box is the Reset All Warning Dialogs button. If you’ve turned off the display of certain warnings by selecting the Don’t Show Me This Dialog Box Again check box, you can reactivate all the warnings by clicking this button.