helpful shortkuts

CTRL and A-Selects all the items in the active window.
CTRL and C-Copies the item or items to the Clipboard and can be pasted using CTRL and V.
CTRL and F-Displays the Find all files dialog box.
CTRL and G-Displays the Go to folder dialog box.
CTRL and N-Displays the New dialog box.
CTRL and O-Displays the Open dialog box.
CTRL and P-Displays the Print dialog box.
CTRL and S-Displays the Save dialog box.
CTRL and V-Pastes the copied item or items from the Clipboard.
CTRL and X-Cuts the item or items selected to the Clipboard.
CTRL and Z-Undoes the last action.
CTRL and F4-Closes the active document window.
CTRL while dragging an item-Copy the selected item
CTRL+SHIFT with arrow keys-Highlight a block of text
CTRL+F4-Close the active document
CTRL+ESC-Display the Start menu
CTRL and F6-Opens the next document window in the active application.
ALT+ENTER-View the properties for the selected item
ALT+F4-Close the active item, or quit the active program
ALT+SPACEBAR-open the shortcut menu for the active window
ALT+TAB-Switch between the open items
ALT+ESC-Cycle through items in the order that they had been opened
F1 key-Gives help on the active window or selected item.
F2 key-Rename the selected item
F3 key-Search for a file or a folder
F4 key-Display the Address bar list in My Computer or Windows Explorer
F5 key-Update the active window
F6 key-Cycle through the screen elements in a window or on the desktop
F10 key-Activate the menu bar in the active program
Windows Logo-Display or hide the Start menu
Windows Logo+BREAK-Display the System Properties dialog box
Windows Logo+D-Display the desktop
Windows Logo+M-Minimize all of the windows
Windows Logo+SHIFT+M-Restore the minimized windows
Windows Logo+E-Open My Computer
Windows Logo+F-Search for a file or a folder
CTRL+Windows Logo+F-Search for computers
Windows Logo+F1-Display Windows Help
Windows Logo+ L-Lock the keyboard
Windows Logo+R-Open the Run dialog box
Windows Logo+U-Open Utility Manager
TAB-Move forward through the options
SHIFT+TAB-Move backward through the options
CTRL+TAB-Move forward through the tabs
CTRL+SHIFT+TAB-Move backward through the tabs
ALT+Underlined letter-Perform the corresponding command or select the corresponding option
ENTER-Perform the command for the active option or button
SPACEBAR-Select or clear the check box if the active option is a check box
F1 key-Display Help
F4 key-Display the items in the active list
Arrow keys-Select a button if the active option is a group of option buttons
BACKSPACE-Open a folder one level up if a folder is selected in the Save As or Open dialog box
END-Display the bottom of the active window
HOME-Display the top of the active window
NUM LOCK+Asterisk sign (*)-Display all of the subfolders that are under the selected folder
NUM LOCK+Plus sign (+)-Display the contents of the selected folder
NUM LOCK+Minus sign (-)-Collapse the selected folder
LEFT ARROW-Collapse the current selection if it is expanded, or select the parent folder
RIGHT ARROW-Display the current selection if it is collapsed, or select the first subfolder