Select all files in a folder, or select files by characteristics using the Browser.
To select all files in a folder:
On the Browser menu, choose Edit > Select All or press Ctrl + A.
To select files by file characteristics:
On the Browser menu, choose
File > Select.
At the Select dialog, you can select files that have specific file
or image attributes, such as name, file extension, size, width, bits per
pixel, and date.
Select the file and image attributes, then click OK.
To deselect all files in a folder:
On the Browser menu, choose Edit > Select None or press Ctrl + D.
Changing the Order of Thumbnails
Renaming Files Using the Browser
Pasting Files from the Browser into Another Application
Moving and Deleting Files Using the Browser
Rotating Images Using the Browser