System maintenance must be performed to: (1 point) (points : 1.5) correct software errors.
add new features that have never been requested before.
remove features that none of the users are using.
keep programmers employed.

solution:

the auto-correct option of the auto-correct tool enables you to add and delete words that do not follow abbreviation rules because:

it is a feature that allows outlook to correct common spelling and typing errors and to replace characters with symbols. we can also can use auto-correct as a shortcut, which means we can type a small string of characters and have those characters replaced by a longer string.