Move the navigation bar from side to bottom in Outlook Options

1. Launch Microsoft Outlook.
2. Click File in the top-right corner, select Options, then click on Advanced.
3. Uncheck the box for the Show Apps in Outlook option under the Outlook panes tab, then click OK to save the changes.
4. Click Yes when prompted to restart Outlook.
   • If Outlook do not restart, close and reopen Outlook and you navigation bar will return to the bottom.