F1 Key = Help

F2 Key = Edit current Cell

F5 Key = Goto

F7 Key = Spell Check

F12 Key = Save file as

CTRL and A = Select entire worksheet.

CTRL and B = Toggle Bold Text.

CTRL and C = Copies the item or items selected to the Clipboard and can be pasted using CTRL and V.

CTRL and F = Displays the Find dialog box.

CTRL and H = Displays the Replace dialog box.

CTRL and I = Toggles Italic Text.

CTRL and N = New File.

CTRL and O = Open File.

CTRL and P = Print.

CTRL and S = Save File.

CTRL and U = Toggles Underlined Text.

CTRL and V = Paste the contents of the clipboard.

CTRL and X = Cut the selected item.

CTRL and Y = Redo the last undone action

CTRL and Z = Undoes the last action.

CTRL and 1 = Displays Format Cells Dialogue Box

CTRL and 5 = Toggles Strikethrough Text

 Formulas

ALT and =  = Autosum

ALT and F8 = Macros

CTRL and ;  =Insert Current Date

CTRL and : = Insert Current Time

 Movement

Left Arrow = One Cell Left (also SHIFT and TAB)

Right Arrow = One Cell Right (also TAB)

Up Arrow = One Cell Up

Down Arrow = One Cell Down

Home = Go to End of row

CTRL and left Arrow = Go to End of Column

CTRL and Home = Go to Top of Worksheet (A1)

CTRL and End = Go to End of Worksheet

CTRL and PAGE-DOWN = Go to Next Worksheet

 Cell Selection

CTRL and Spacebar = Select the entire Column

SHIFT and Spacebar = Select the entire Row

CTRL and A = Select Entire Worksheet

SHIFT and Left Cursor = Select all cells to the left of the active one

SHIFT and Right Cursor = Select all cells to the right of the active one