The correct answer is CTRL + A.MS WordIt is developed by Microsoft.It was released on 25 October 1983 for the first time.It is a graphical word processing program that users can type with.It has helpful tools to make documents, resumes, contracts, etc.This is one of the most commonly used programs under the office suite.The function of CTRL + A in the Word document?It is a keyboard shortcut most often used to select all text, files, pictures, or other objects while in a graphical user environment.Alternatively, it is known as Control+A and C-a.Additional InformationShortcut keyFunctionCTRL + CIt is used to copy highlighted text or another object to the clipboard.CTRL + VIt pastes the contents of the clipboard into the current cursor location.CTRL + ZIt is the keyboard shortcut for undo.