What Is F3 Function?
The F3 key is a function key found at the top of almost all computer keyboards. The key is most often used to open the find or search feature of a program or operating system.

What is F3 key?

The F3 key is used in a variety of programs to open a search window. MS-DOS operating system users can use the F3 key to repeat the most recent command. In Microsoft Word, the F3 key used in conjunction with the Shift key can alter capitalization for an entire document.

What does F1 F2 F3 F4 F5 F6?

The function keys or F-keys on a computer keyboard, labeled F1 through F12, are keys that have a special function defined by the operating system, or by a currently running program. They may be combined with the Alt or Ctrl keys.
James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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