CTRL combination shortcut keys in Excel

Key Description
CTRL+( Unhides any hidden rows within the selection.
CTRL+) Unhides any hidden columns within the selection.
CTRL+& Applies the outline border to the selected cells.
CTRL+_ Removes the outline border from the selected cells.
CTRL+~ Applies the General number format.
CTRL+$ Applies the Currency format with two decimal places (negative numbers in parentheses).
CTRL+% Applies the Percentage format with no decimal places.
CTRL+^ Applies the Exponential number format with two decimal places.
CTRL+# Applies the Date format with the day, month, and year.
CTRL+@ Applies the Time format with the hour and minute, and AM or PM.
CTRL+! Applies the Number format with two decimal places, thousands separator, and minus sign (-) for negative values.
CTRL+- Displays the Delete dialog box to delete the selected cells.
CTRL+* Selects the current region around the active cell (the data area enclosed by blank rows and blank columns).
In a PivotTable, it selects the entire PivotTable report.

CTRL+: Enters the current time.
CTRL+; Enters the current date.
CTRL+` Alternates between displaying cell values and displaying formulas in the worksheet.
CTRL+' Copies a formula from the cell above the active cell into the cell or the Formula Bar.
CTRL+" Copies the value from the cell above the active cell into the cell or the Formula Bar.
CTRL++ Displays the Insert dialog box to insert blank cells.
CTRL+1 Displays the Format Cells dialog box.
CTRL+2 Applies or removes bold formatting.
CTRL+3 Applies or removes italic formatting.
CTRL+4 Applies or removes underlining.
CTRL+5 Applies or removes strikethrough.
CTRL+6 Alternates between hiding objects, displaying objects, and displaying placeholders for objects.
CTRL+7 Displays or hides the Standard toolbar.
CTRL+8 Displays or hides the outline symbols.
CTRL+9 Hides the selected rows.
CTRL+0 Hides the selected columns.
CTRL+A Selects the entire worksheet.
If the worksheet contains data, CTRL+A selects the current region. Pressing CTRL+A a second time selects the entire worksheet.

When the insertion point is to the right of a function name in a formula, displays the Function Arguments dialog box.

CTRL+SHIFT+A inserts the argument names and parentheses when the insertion point is to the right of a function name in a formula.

CTRL+B Applies or removes bold formatting.
CTRL+C Copies the selected cells.
CTRL+C followed by another CTRL+C displays the Microsoft Office Clipboard.

CTRL+D Uses the Fill Down command to copy the contents and format of the topmost cell of a selected range into the cells below.
CTRL+F Displays the Find dialog box.
SHIFT+F5 also displays this dialog box, while SHIFT+F4 repeats the last Find action.

CTRL+G Displays the Go To dialog box.
F5 also displays this dialog box.

CTRL+H Displays the Find and Replace dialog box.
CTRL+I Applies or removes italic formatting.
CTRL+K Displays the Insert Hyperlink dialog box for new hyperlinks or the Edit Hyperlink dialog box for selected existing hyperlinks.
CTRL+L Displays the Create List dialog box.
CTRL+N Creates a new, blank file.
CTRL+O Displays the Open dialog box to open or find a file.
CTRL+SHIFT+O selects all cells that contain comments.

CTRL+P Displays the Print dialog box.
CTRL+R Uses the Fill Right command to copy the contents and format of the leftmost cell of a selected range into the cells to the right.
CTRL+S Saves the active file with its current file name, location, and file format.
CTRL+U Applies or removes underlining.
CTRL+V Inserts the contents of the Clipboard at the insertion point and replaces any selection. Available only after you cut or copied an object, text, or cell contents.
CTRL+W Closes the selected workbook window.
CTRL+X Cuts the selected cells.
CTRL+Y Repeats the last command or action, if possible.
CTRL+Z Uses the Undo command to reverse the last command or to delete the last entry you typed.
CTRL+SHIFT+Z uses the Undo or Redo command to reverse or restore the last automatic correction when AutoCorrect Smart Tags are displayed.

Regards,
Praveen KVC
December 24 2009