What is the use of the F9 key?

Answer 1

According to http://support.microsoft.com its function is to "Update the selected field."

Answer 2

According to http://support.microsoft.com its function is to "Update the selected field."

Answer 3

As a "function" key, F9 can be mapped to perform any task, depending on the program and operating system in use. Common uses include controlling brightness or volume (on laptops), controlling the BIOS setup program, or switching between terminal displays (Unix / Linux).

Answer 4

Functions of f9:

• Refresh document in Microsoft Word.
• Send and receive e-mail in Microsoft Outlook.
• Opens the Measurements toolbar in Quark 5.0.
• With Mac OS 10.3 or later, displays a thumbnail for each window in a single workspace.
• Using the Fn key and F9 at the same time opens Mission Control on an Apple computer running Mac OS X.

Answer 5

There is no single answer to that. Different applications use it for different actions and some may not have a use for it at all. For some it is used to update the particular instance relevant to the application, like recalculate formulas or update fields. In addition to F9 itself, it can be used in conjunction with other keys - like Ctrl, Alt and Shift - to do other actions.

Answer 6

It updates fields in your Word document. Use "CTRL-A" to select the entire document, and then hit F9 to update all the fields in your document.

Answer 7

it is for if you put a movie into your computer and you are too lazy to click play/pause you press it and it plays or pauses (:

Answer 8

Turn up the volume