Do more with PicasaChange print size and use Picasa using keyboard shortcuts. Back up photos and videos Learn more about backing up your photos. Change print size options To select which print sizes appear when you print: Click Tools > Options (Windows) or Picasa > Preferences (Mac). Select Printing. Under "Available Print Sizes," choose your print size layouts. Click OK. The "Full Page" option cannot be removed. Keyboard shortcuts for Windows Use these shortcuts to save time in Picasa: Ctrl-A: Select all photos in a folder/album Ctrl-D: Deselect photos Home: Select the first photo in your folder/album End: Select the last photo in your folder/album Ctrl-H: Hold selected photos in photo tray Ctrl-N: Create a new album F1: See the Picasa help center Keyboard shortcuts for Mac Use these shortcuts to save time in Picasa: Command-A: Select all photos in a folder/album Command-D: Deselect photos fn-left arrow: Select the first photo in your folder/album fn-right arrow: Select the last photo in your folder/album Command-N: Create a new album fn-F1: See the Picasa help center Give feedback about this article Choose a section to give feedback on