DOWNLOAD GOOGLE BOOKS FOR FREE

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How To Create a Password Protected Folder Without Any Software

Hii Friend Today I want to Share a Trick to Creat a password protected file without any software . Because today time our important and private data cannot be safe anyone can looks our important data without permission of owner . Now we have trick to safe our private file or data by unauthorized access we have trick that know as Folder Lock . Folder can lock by giving password by following these steps :


Step 1. First Create New Folder  Give any name To That Folder  and Create a Text Document Folder inside the same folder .

 Step 2. Open Notepad and Copy Following Codes :

cls 
@ECHO OFF 
title Folder Private 
if EXIST "HTG Locker" goto UNLOCK 
if NOT EXIST Private goto MDLOCKER 
:CONFIRM 
echo Are you sure you want to lock the folder(Y/N) 
set/p "cho=>" 
if %cho%==Y goto LOCK 
if %cho%==y goto LOCK 
if %cho%==n goto END 
if %cho%==N goto END 
echo Invalid choice. 
goto CONFIRM 
:LOCK 
ren Private "HTG Locker" 
attrib +h +s "HTG Locker" 
echo Folder locked 
goto End 
:UNLOCK 
echo Enter password to unlock folder 
set/p "pass=>" 
if NOT %pass%== PASSWORD_GOES_HERE goto FAIL 
attrib -h -s "HTG Locker" 
ren "HTG Locker" Private 
echo Folder Unlocked successfully 
goto End 
:FAIL 
echo Invalid password 
goto end 
:MDLOCKER 
md Private 
echo Private created successfully 
goto End 
:End

Step 3. Change PASSWORD_GOES_HERE to your password.

Step 4. Save this code as *.bat instead of *.txt . Like Locker.bat or Folderlock.batand click save .

Step 5. Double Click on the File .

Step 5. Click on “FolderLock.bat”, this will pop up a command prompt and prompt 
you if you want to lock the folder, type “Y” and press Enter button.This
 will hide your folder and lock it.

 Type Y and Enter . 

If you want to folder again command promt window open and ask for password . Give 

your password . You will now able to open file . Give your Private file copy to private

file folder and Lock it again . You Also hide the Lock Folder from folder option. 

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EXCEL SHORTCUTS

CTRL combination shortcut keys

KEY	DESCRIPTION
CTRL+PgUp	Switches between worksheet tabs, from left-to-right.
CTRL+PgDn	Switches between worksheet tabs, from right-to-left.
CTRL+SHIFT+(	Unhides any hidden rows within the selection.
CTRL+SHIFT+)	Unhides any hidden columns within the selection.
CTRL+SHIFT+&	Applies the outline border to the selected cells.
CTRL+SHIFT_	Removes the outline border from the selected cells.
CTRL+SHIFT+~	Applies the General number format.
CTRL+SHIFT+$	Applies the Currency format with two decimal places (negative numbers in parentheses).
CTRL+SHIFT+%	Applies the Percentage format with no decimal places.
CTRL+SHIFT+^	Applies the Exponential number format with two decimal places.
CTRL+SHIFT+#	Applies the Date format with the day, month, and year.
CTRL+SHIFT+@	Applies the Time format with the hour and minute, and AM or PM.
CTRL+SHIFT+!	Applies the Number format with two decimal places, thousands separator, and minus sign (-) for negative values.
CTRL+SHIFT+*	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+SHIFT+:	Enters the current time.
CTRL+SHIFT+"	Copies the value from the cell above the active cell into the cell or the Formula Bar.
CTRL+SHIFT+Plus (+)	Displays the Insert dialog box to insert blank cells.
CTRL+Minus (-)	Displays the Delete dialog box to delete the selected cells.
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+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+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 current region and its summary rows. Pressing CTRL+A a third time selects the entire worksheet. When the insertion point is to the right of a function name in a formula, displays theFunction 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 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 and Replace dialog box, with the Find tab selected. SHIFT+F5 also displays this tab, while SHIFT+F4 repeats the last Find action. CTRL+SHIFT+F opens the Format Cells dialog box with the Font tab selected.
CTRL+G	Displays the Go To dialog box. F5 also displays this dialog box.
CTRL+H	Displays the Find and Replace dialog box, with the Replace tab selected.
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+N	Creates a new, blank workbook.
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+SHIFT+P opens the Format Cells dialog box with the Font tab selected.
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+T	Displays the Create Table dialog box.
CTRL+U	Applies or removes underlining. CTRL+SHIFT+U switches between expanding and collapsing of the formula bar.
CTRL+V	Inserts the contents of the Clipboard at the insertion point and replaces any selection. Available only after you have cut or copied an object, text, or cell contents. CTRL+ALT+V displays the Paste Special dialog box. Available only after you have cut or copied an object, text, or cell contents on a worksheet or in another program.
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 that 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.

ALT combination shortcut keys

KEY	DESCRIPTION
Alt + h + m + c	Merge/Center.

Function keys

KEY	DESCRIPTION
F1	Displays the Microsoft Office Excel Help task pane. CTRL+F1 displays or hides the Ribbon, a component of the Microsoft Office Fluent user interface. ALT+F1 creates a chart of the data in the current range. ALT+SHIFT+F1 inserts a new worksheet.
F2	Edits the active cell and positions the insertion point at the end of the cell contents. It also moves the insertion point into the Formula Bar when editing in a cell is turned off. SHIFT+F2 adds or edits a cell comment. CTRL+F2 displays the Print Preview window.
F3	Displays the Paste Name dialog box. SHIFT+F3 displays the Insert Function dialog box.
F4	Repeats the last command or action, if possible. When a cell reference or range is selected in a formula, F4 cycles through the various combinations of absolute and relative references. CTRL+F4 closes the selected workbook window.
F5	Displays the Go To dialog box. CTRL+F5 restores the window size of the selected workbook window.
F6	Switches between the worksheet, Ribbon, task pane, and Zoom controls. In a worksheet that has been split (View menu, Manage This Window, Freeze Panes, Split Window command), F6 includes the split panes when switching between panes and the Ribbon area. SHIFT+F6 switches between the worksheet, Zoom controls, task pane, and Ribbon. CTRL+F6 switches to the next workbook window when more than one workbook window is open.
F7	Displays the Spelling dialog box to check spelling in the active worksheet or selected range. CTRL+F7 performs the Move command on the workbook window when it is not maximized. Use the arrow keys to move the window, and when finished press ENTER, or ESC to cancel.
F8	Turns extend mode on or off. In extend mode, Extended Selection appears in the status line, and the arrow keys extend the selection. SHIFT+F8 enables you to add a nonadjacent cell or range to a selection of cells by using the arrow keys. CTRL+F8 performs the Size command (on the Control menu for the workbook window) when a workbook is not maximized. ALT+F8 displays the Macro dialog box to create, run, edit, or delete a macro.
F9	Calculates all worksheets in all open workbooks. SHIFT+F9 calculates the active worksheet. CTRL+ALT+F9 calculates all worksheets in all open workbooks, regardless of whether they have changed since the last calculation. CTRL+ALT+SHIFT+F9 rechecks dependent formulas, and then calculates all cells in all open workbooks, including cells not marked as needing to be calculated. CTRL+F9 minimizes a workbook window to an icon.
F10	Turns key tips on or off. SHIFT+F10 displays the shortcut menu for a selected item. ALT+SHIFT+F10 displays the menu or message for a smart tag. If more than one smart tag is present, it switches to the next smart tag and displays its menu or message. CTRL+F10 maximizes or restores the selected workbook window.
F11	Creates a chart of the data in the current range. SHIFT+F11 inserts a new worksheet. ALT+F11 opens the Microsoft Visual Basic Editor, in which you can create a macro by using Visual Basic for Applications (VBA).
F12	Displays the Save As dialog box.

Other useful shortcut keys

KEY	DESCRIPTION
ARROW KEYS	Move one cell up, down, left, or right in a worksheet. CTRL+ARROW KEY moves to the edge of the current data region in a worksheet. SHIFT+ARROW KEY extends the selection of cells by one cell. CTRL+SHIFT+ARROW KEY extends the selection of cells to the last nonblank cell in the same column or row as the active cell, or if the next cell is blank, extends the selection to the next nonblank cell. LEFT ARROW or RIGHT ARROW selects the tab to the left or right when the Ribbon is selected. When a submenu is open or selected, these arrow keys switch between the main menu and the submenu. When a Ribbon tab is selected, these keys navigate the tab buttons. DOWN ARROW or UP ARROW selects the next or previous command when a menu or submenu is open. When a Ribbon tab is selected, these keys navigate up or down the tab group. In a dialog box, arrow keys move between options in an open drop-down list, or between options in a group of options. DOWN ARROW or ALT+DOWN ARROW opens a selected drop-down list.
BACKSPACE	Deletes one character to the left in the Formula Bar. Also clears the content of the active cell. In cell editing mode, it deletes the character to the left of the insertion point.
DELETE	Removes the cell contents (data and formulas) from selected cells without affecting cell formats or comments. In cell editing mode, it deletes the character to the right of the insertion point.
END	Moves to the cell in the lower-right corner of the window when SCROLL LOCK is turned on. Also selects the last command on the menu when a menu or submenu is visible. CTRL+END moves to the last cell on a worksheet, in the lowest used row of the rightmost used column. If the cursor is in the formula bar, CTRL+END moves the cursor to the end of the text. CTRL+SHIFT+END extends the selection of cells to the last used cell on the worksheet (lower-right corner). If the cursor is in the formula bar, CTRL+SHIFT+END selects all text in the formula bar from the cursor position to the end—this does not affect the height of the formula bar.
ENTER	Completes a cell entry from the cell or the Formula Bar, and selects the cell below (by default). In a data form, it moves to the first field in the next record. Opens a selected menu (press F10 to activate the menu bar) or performs the action for a selected command. In a dialog box, it performs the action for the default command button in the dialog box (the button with the bold outline, often the OK button). ALT+ENTER starts a new line in the same cell. CTRL+ENTER fills the selected cell range with the current entry. SHIFT+ENTER completes a cell entry and selects the cell above.
ESC	Cancels an entry in the cell or Formula Bar. Closes an open menu or submenu, dialog box, or message window. It also closes full screen mode when this mode has been applied, and returns to normal screen mode to display the Ribbon and status bar again.
HOME	Moves to the beginning of a row in a worksheet. Moves to the cell in the upper-left corner of the window when SCROLL LOCK is turned on. Selects the first command on the menu when a menu or submenu is visible. CTRL+HOME moves to the beginning of a worksheet. CTRL+SHIFT+HOME extends the selection of cells to the beginning of the worksheet.
PAGE DOWN	Moves one screen down in a worksheet. ALT+PAGE DOWN moves one screen to the right in a worksheet. CTRL+PAGE DOWN moves to the next sheet in a workbook. CTRL+SHIFT+PAGE DOWN selects the current and next sheet in a workbook.
PAGE UP	Moves one screen up in a worksheet. ALT+PAGE UP moves one screen to the left in a worksheet. CTRL+PAGE UP moves to the previous sheet in a workbook. CTRL+SHIFT+PAGE UP selects the current and previous sheet in a workbook.
SPACEBAR	In a dialog box, performs the action for the selected button, or selects or clears a check box. CTRL+SPACEBAR selects an entire column in a worksheet. SHIFT+SPACEBAR selects an entire row in a worksheet. CTRL+SHIFT+SPACEBAR selects the entire worksheet. ●      If the worksheet contains data, CTRL+SHIFT+SPACEBAR selects the current region. Pressing CTRL+SHIFT+SPACEBAR a second time selects the current region and its summary rows. Pressing CTRL+SHIFT+SPACEBAR a third time selects the entire worksheet. ●      When an object is selected, CTRL+SHIFT+SPACEBAR selects all objects on a worksheet. ALT+SPACEBAR displays the Control menu for the Microsoft Office Excel window.
TAB	Moves one cell to the right in a worksheet. Moves between unlocked cells in a protected worksheet. Moves to the next option or option group in a dialog box. SHIFT+TAB moves to the previous cell in a worksheet or the previous option in a dialog box. CTRL+TAB switches to the next tab in dialog box. CTRL+SHIFT+TAB switches to the previous tab in a dialog box.

1. Function keys
F1	Undo
F2	Cut text from the active cell
Shift+F2	Edit a cell comment
F3	Copy text from the active cell
Shift+F3	Open the Formula Builder
F4	Paste text into the active cell
Shift+F4	Repeat the last Find (Find Next)
⌘+F4	Close the window
F5	Display the Go To dialog box
Shift+F5	Display the Find dialog box
⌘+F5	Restore the window size.*
F6	Move to the next pane in a workbook that has been split
Shift+F6	Move to the previous pane in a workbook that has been split
⌘+F6	Move to the next workbook window
⌘+Shift+F6	Move to the previous workbook window
F7	Check spelling
F8	Turn on extend selection mode; used with arrow keys or cursor
Shift+F8	Add to the selection
Option+F8	Display the Macro dialog box
F9	Calculate all sheets in all open workbooks.
Shift+F9	Calculate the active sheet.
Shift+F10	Display a contextual menu.
⌘+F10	Maximize or restore the workbook window
Option+F10	Make the first button on a floating toolbar active
F11	Insert a new chart sheet.
Shift+F11	Insert a new sheet.
⌘+F11	Insert an Excel 4.0 macro sheet
F12	Display the Save As dialog box.
⌘+F12	Display the Open dialog box
Ctrl+Shift+F12	Display the Print dialog box
*Conflicts with a default Mac OS X key assignment. Turn off the Mac OS X keyboard shortcut for this key. Apple Menu - System Preferences - Under Hardware - Keyboard - Click the Keyboard Shortcuts tab,- clear the On check box for the key assignment that you want to turn off.
2. Moving and scrolling in a sheet or workbook
Arrow Keys	Move one cell up, down, left, or right
Ctrl+Arrow Key	Move to the edge of the current data region
Home	Move to the beginning of the row
Ctrl+Home./Ctrl+End	Move to the beginning / to the end of the sheet
Page Down/Page Up	Move down one screen / up one screen
Option+Page Down/Option+Page Up	Move one screen to the right / to the left
Ctrl+Page Down/Ctrl+Page Up	Move to the next sheet / to the previous sheet in the workbook
Ctrl+Tab/ Ctrl+Shift+Tab	Move to the next workbook / move to the previous workbook or window
F6/Shift+F6	Move to the next pane / move to the previous pane in a workbook that has been split
Ctrl+Delete	Scroll to display the active cell
Ctrl+g	Display the Go To dialog box
⌘+f	Display the Find dialog box
⌘+g	Repeat the last Find action (same as Find Next)
Tab	Move between unlocked cells on a protected sheet
3. Previewing and printing
⌘+p	Display the Print dialog box
Arrow Keys	In print preview, move around the page when zoomed in
Ctrl+Arrow Down	In print preview, move to the last page when zoomed out
4. Entering data on a sheet
Return	Complete a cell entry and move forward in the selection
Ctrl+Option+Return	Start a new line in the same cell
Ctrl+Return	Fill the selected cell range with the text that you type
Shift+Return	Complete a cell entry and move back in the selection
Tab	Complete a cell entry and move to the right in the selection
Shift+Tab	Complete a cell entry and move to the left in the selection
Esc	Cancel a cell entry
Delete	Delete the character to the left of the insertion point, or delete the selection
Delete ⌦	Delete the character to the right of the insertion point, or delete the selection
Ctrl+Delete ⌦	Delete text to the end of the line
Arrow Keys	Move one character up, down, left, or right
Home	Move to the beginning of the line
⌘+y	Repeat the last action
Shift+F2	Edit a cell comment
Ctrl+d	Fill down
Ctrl+r	Fill to the right
Ctrl+l	Define a name
5. Working in cells or the Formula bar
Delete	Edit the active cell and then clear it, or delete the preceding character in the active cell as you edit the cell contents
Return	Complete a cell entry
Ctrl+Shift+Return	Enter a formula as an array formula
Esc	Cancel an entry in the cell or formula bar
Ctrl+a	Display the Formula Builder after you type a valid function name in a formula
⌘+k	Insert a hyperlink
Ctrl+u	Edit the active cell and position the insertion point at the end of the line
Shift+F3	Open the Formula Builder
⌘+=	Calculate all sheets in all open workbooks
⌘+Shift+=	Calculate the active sheet
=	Start a formula
⌘+t	Toggle the formula reference style between absolute, relative, and mixed
⌘+Shift+t	Insert the AutoSum formula
Ctrl+; (semicolon)	Enter the date
⌘+; (semicolon)	Enter the time
Ctrl+Shift+"	Copy the value from the cell above the active cell into the cell or the formula bar
Ctrl+` (grave accent)	Alternate between displaying cell values and displaying cell formulas
Ctrl+' (apostrophe))	Copy a formula from the cell above the active cell into the cell or the formula bar
Ctrl+Option+Arrow Down	Display the AutoComplete list
Ctrl+l	Define a name
6. Formatting and editing data
⌘+Shift+l	Display the Style dialog box
⌘+1	Display the Format Cells dialog box
Ctrl+Shift+~	Apply the general number format
Ctrl+Shift+$	Apply the currency format with two decimal places (negative numbers appear in red with parentheses)
Ctrl+Shift+%	Apply the percentage format with no decimal places
Ctrl+Shift+^	Apply the exponential number format with two decimal places
Ctrl+Shift+#	Apply the date format with the day, month, and year
Ctrl+Shift+@	Apply the time format with the hour and minute, and indicate A.M. or P.M.
Ctrl+Shift+!	Apply the number format with two decimal places, thousands separator, and minus sign (-) for negative values
⌘+Option+0 (zero)	Apply the outline border around the selected cells
⌘+Option+Arrow Right	Add an outline border to the right of the selection
⌘+Option+Arrow Left	Add an outline border to the left of the selection
⌘+Option+Arrow Up	Add an outline border to the top of the selection
⌘+Option+Arrow Down	Add an outline border to the bottom of the selection
⌘+Option+-	Remove outline borders
⌘+b	Apply or remove bold formatting
⌘+i	Apply or remove italic formatting
⌘+u	Apply or remove underscoring
⌘+Shift+x	Apply or remove strikethrough formatting
Ctrl+9	Hide rows
Ctrl+Shift+(	Unhide rows
Ctrl+0 (zero)	Hide columns
Ctrl+Shift+)	Unhide columns
⌘+Shift+w	Add or remove the shadow font style
⌘+Shift+d	Add or remove the outline font style
Ctrl+u	Edit the active cell
Esc	Cancel an entry in the cell or the formula bar
Delete	Edit the active cell and then clear it, or delete the preceding character in the active cell as you edit the cell contents
⌘+v	Paste text into the active cell
Return	Complete a cell entry
Ctrl+Shift+Return	Enter a formula as an array formula
Ctrl+a	Display the Formula Builder after you type a valid function name in a formula
7. Working with a selection
⌘+c	Copy the selection
⌘+x	Cut the selection
⌘+v	Paste the selection
⌘+Ctrl+v	Paste special
Delete	Clear the contents of the selection
Ctrl+-	Delete the selection
⌘+Shift+c	Copy a style
⌘+Shift+v	Paste a style
Ctrl+Option+c	Copy text or graphics to the Scrapbook
Ctrl+Option+v	Paste to the Scrapbook
⌘+z	Undo the last action
Return	Move from top to bottom within the selection (down), or move in the direction that is selected in Edit in thePreferences dialog box (Excel menu, Preferences command)
Shift+Return	Move from bottom to top within the selection (up), or move opposite to the direction that is selected in Edit in the Preferences dialog box (Excel menu, Preferences command)
Tab	Move from left to right within the selection, or move down one cell if only one column is selected
Shift+Tab	Move from right to left within the selection, or move up one cell if only one column is selected
Ctrl+. (Period)	Move clockwise to the next corner of the selection
Ctrl+Option+Arrow Right	Move to the right between nonadjacent selections
Ctrl+Option+Arrow Left	Move to the left between nonadjacent selections
⌘+Ctrl+m	Insert graphics using the Media Browser
8. Selecting cells, columns, or rows
Shift+Arrow Key	Extend the selection by one cell
Ctrl+Shift+Arrow Key	Extend the selection to the last nonblank cell in the same column or row as the active cell
Shift+Home	Extend the selection to the beginning of the row
Ctrl+Shift+Home	Extend the selection to the beginning of the sheet
Ctrl+Shift+End	Extend the selection to the last cell used on the sheet (lower-right corner)
Ctrl+Space	Select the entire column
Shift+Space	Select the entire row
⌘+a	Select the entire sheet
Shift+Delete	Select only the active cell when multiple cells are selected
Shift+Page Down	Extend the selection down one screen
Shift+Page Up	Extend the selection up one screen
Ctrl+6	Alternate between hiding objects, displaying objects, and displaying placeholders for objects
Ctrl+7	Show or hide the Standard toolbar
F8	Turn on the capability to extend a selection by using the arrow keys
Shift+F8	Add another range of cells to the selection; or use the arrow keys to move to the start of the range you want to add, and then press F8 and the arrow keys to select the next range
Ctrl+/	Select the current array, which is the array that the active cell belongs to
Ctrl+\	Select cells in a row that don't match the value in the active cell in that row. You must select the row starting with the active cell.
Ctrl+Shift+[	Select only cells that are directly referred to by formulas in the selection
Ctrl+[	Select cells in a column that don't match the value in the active cell in that column. You must select the column starting with the active cell.
Ctrl+Shift+{	Select all cells that are directly or indirectly referred to by formulas in the selection
Ctrl+]	Select only cells with formulas that refer directly to the active cell
Ctrl+Shift+}	Select all cells with formulas that refer directly or indirectly to the active cell
⌘+Shift+z	Select only visible cells in the current selection
9. Charts
F11	Insert a new chart sheet.*
Arrow Key	Cycle through chart object selection
*Conflicts with a default Mac OS X key assignment. Turn off the Mac OS X keyboard shortcut for this key. Apple Menu - System Preferences - Under Hardware - Keyboard - Click the Keyboard Shortcuts tab,- clear the On check box for the key assignment that you want to turn off.
10. Data forms
Arrow Down/Arrow Up	Move to the same field in the next record / previous record
Tab/Shift+Tab	Move to the next field / previous field that you can edit in the record
Return /Shift+Return	Move to the first field in the next record / in the previous record
Page Down/Page Up	Move to the same field 10 records forward / 10 records back
Ctrl+Page Down	Move to a new record
Ctrl+Page Up	Move to the first record
11. Filters and PivotTable reports
Option+Arrow Down	Display the Filter list or PivotTable page field pop-up menu for the selected cell
12. Outlining data
Ctrl+8	Display or hide outline symbols
Ctrl+9	Hide selected rows
Ctrl+Shift+(	Unhide selected rows
Ctrl+0 (zero)	Hide selected columns
Ctrl+Shift+)	Unhide selected columns
13. Toolbars
Option+F10	Make the first button on a floating toolbar active
Tab	When a toolbar is active, select the next button or menu on the toolbar
Shift+Tab	When a toolbar is active, select the previous button or menu on the toolbar
Ctrl+Tab	When a toolbar is active, select the next toolbar
Ctrl+Shift+Tab	When a toolbar is active, select the previous toolbar
Return	Perform the action assigned to the selected button
14. Windows
⌘+Option+1	Expand or minimize the ribbon
⌘+Tab	Switch to the next application
⌘+Shift+Tab	Switch to the previous application
⌘+w	Close the active workbook window
⌘+F5*	Restore the active workbook window size
F6	Move to the next pane in a workbook that has been split
Shift+F6	Move to the previous pane in a workbook that has been split
⌘+F6	Switch to the next workbook window
⌘+Shift+F6	Switch to the previous workbook window
Ctrl+F10	Maximize or restore the workbook window
⌘+Shift+3*	Copy the image of the screen to the Clipboard
⌘+Shift+4*	Copy the image of the active window to the Clipboard (after pressing and releasing the key combination, click the window that you want to take a picture of).
*Conflicts with a default Mac OS X key assignment. Turn off the Mac OS X keyboard shortcut for this key. Apple Menu - System Preferences - Under Hardware - Keyboard - Click the Keyboard Shortcuts tab,- clear the On check box for the key assignment that you want to turn off.

15. Dialog boxes
Tab	Move to the next text box
Shift+Tab	Move to the previous text box
Ctrl+Tab	Switch to the next tab in a dialog box
Ctrl+Shift+Tab	Switch to the previous tab in a dialog box
Return	Perform the action assigned to the default command button in the dialog box (the button with the bold outline, often the OK button)
Esc	Cancel the command and close the dialog box