why function keys are so important

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credit: Google

Dot
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credit: Google

open its Help and Support window

F1 + win key shows up Windows Help and Support screen

F1

F2

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Rename any file and folder on Windows

Alt + F2 opens the ‘Save As’ window in Microsoft Excel

F3

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press F3 to open a search box dialogue in almost every application

Shift + F3 changes the text from upper case to lower case in MS word

F4

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Alt + F4 is widely used to close the current program window & even shutdown the PC

Ctrl  + F4 closes the active window within a current active window

F5

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F5 refreshes or reloads the web page

Starts slide show on PowerPoint presentation

F6

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Almost in all modern browsers, pressing F6 moves the cursor to the address bar

Ctrl + F6 toggles between various Microsoft Word documents

F7

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launch the Spelling and Grammar dialog box in the MSOffice

Shift + F7  opens the Research window in Microsoft Office

F8

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Holding F8 during the Windows boot process enters into Windows Safe Mode

Pressing F8 displays a thumbnail image of all workspaces in Mac OS X

F9

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Ctrl + F9 and Alt + F9 are used to build mail merge documents in MS Word

For programmers F9 to compile and execute code in combination with Ctrl or Alt key

F10

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Shift + F10 opens up the menu window, equivalent to right-clicking

Shows menu bar in Mozilla Firefox, an internet browser, or highlights the same in many programs

F11

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In Microsoft Excel, Shift + F11 adds a new sheet, Ctrl + F11 adds a new macro to the workbook

Pressing Alt + F11 in the MS Office program, invokes Microsoft Visual Basic window for that document

F12

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Opens the‘ Save As’ window in MS Office program

Shift + Ctrl + F12 open Print window in MS Office

Ctrl + F12 opens a document in MS Office