Whichever application you are using to type emails, then the Edit menu > Undo option should be available.
And all Word Processors have that same option in Edit > Undo.
If you delete any text, Undo will return it.
Pint-size luxury and funky style
Shopping for a new car this weekend? See how the BMW X2 stacks up against the Volvo XC40 in our side-by-side comparison.