Respuesta :

coolstick
After a bit of digging, I found that F1 should work in Microsoft Word, Excel, and PowerPoint (which hopefully translates to most Microsoft products)!
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Answer:

F1 key is used to open help section.

Explanation:

F1 is a functional key that is used to display Help section that's why some people call it as Help key. When user press F1 key in almost every software program available, including all the Microsoft products it opens a Help section or Help window in program.