Revert AutoCorrect changes
You can reverse AutoCorrect instant changes by doing one of the following:
- Press Ctrl+Z (the Undo command) immediately after AutoCorrect makes its correction.
- Move the mouse under the correction to see the blue rectangular under it. Then move the mouse under this blue rectangular to see the AutoCorrect options button under the changes:
Click on this button to see the options you have:
Choose the first option to undo this AutoCorrect correction.
See also how to turn off AutoCorrect.