The Batch Develop tool is useful for applying a Develop preset to multiple images and exporting multiple images to other file formats.
To Apply a Preset to a Batch of Images:
Do one of the following:
Export Options
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                         Destination folder  | 
                    
                         Same as source folder  | 
                    
                         Select this option to use the same folder where the source images currently reside. Select the Create a new subfolder for the files checkbox to place the images within a subfolder of the source folder.  | 
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                         Specific folder  | 
                    
                         Click this button to change the output folder to a specific location.  | 
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                         File names  | 
                    
                         Use Template to rename files  | 
                    
                         Using a template gives you control over the output file name. If you choose not use a template, the file name is unchanged. Duplicate files are given an underscore and number suffix.  | 
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                         Template  | 
                    
                        
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                         Format  | 
                    
                         File Format  | 
                    
                         Select the file format in which you would like to save the exported images.  | 
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                         Format Settings  | 
                    
                         Click this button to change the settings for the format you have selected.  | 
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                         Pixel format  | 
                    
                         Specify the color depth for your format settings.  | 
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                         Color space  | 
                    
                         Select the color space checkbox to choose a color space option from the drop-down list.  | 
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                         Output size  | 
                    
                         Resize image  | 
                    
                         Select this option to specify how to scale the images. Select from the following options:  | 
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                         Dimensions  | 
                    
                         Select this option to force the exported images to fit the set dimensions independent of landscape or portrait orientation. Enter the dimensions in pixels, inches, or centimeters  | 
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                         Width and height  | 
                    
                         Select this option to resize the exported image to fit within the values entered in the two boxes.  | 
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                         Long edge  | 
                    
                         Select this option to resize the image to the long edge only. Enter the dimensions in pixels, inches, or centimeters  | 
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                         Short edge  | 
                    
                         Select this option to resize the image to the short edge only. Enter the dimensions in pixels, inches, or centimeters  | 
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                         Resolution  | 
                    
                         Enter a resolution to set the number of pixels per inch or centimeter.  | 
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                         Enlarge only  | 
                    
                         Enlarge only resizes only those images that are smaller than the specified height and width.  | 
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                         Reduce only  | 
                    
                         Resizes only those images that are larger than the specified height and width.  | 
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                         Enlarge or reduce  | 
                    
                         Resizes all images to the specified height and width.  | 
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                         Preserve Original Aspect ratio  | 
                    
                         Select this option to maintain original image proportions. Note: Images resized to long or short edge maintain original image proportion.  | 
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                         Metadata  | 
                    
                         Select these options if the image contains metadata, and you want the exported image to contain the same metadata and color profile.  | 
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Option: You can save your settings as a preset by clicking the new export preset button 
 and entering a name for your preset. Select one or more presets in the list to apply.
To edit a preset, click the preset in the list, make your edits, and click the Save current export preset button 
.