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export to folder
If you want control over the image quality, size, and destination folder of copies, use the Export Picture to Folder command rather than Save a Copy. Like Save a Copy, Export Picture to Folder automatically saves (and converts, if necessary) all images to JPEG (.jpg) format. However, Export Picture to Folder can create a copy of any picturenot just the ones you've edited with Picasa.
In the Picture Library, select the picture or pictures you want to export.To select multiple pictures, you can 
-click individual pictures, drag a selection rectangle around a contiguous group, 
-click the first and last picture in a contiguous group, or choose Edit > Select All (
). To include pictures from multiple folders, select pictures from the first folder, click the Hold button, select additional pictures from a different folder, and so on.
Choose File > Export Picture to Folder (
). The Export to Folder dialog box appears.
