Update options for Office for Mac

Check for Office for Mac updates.

Turn on AutoUpdate so your copy of Office will always be up-to-date. You can set AutoUpdate to check for updates each day, week, or month.

1. On the Help menu, click Check for Updates.
2. Under How would you like to check for software updates?, click Automatically.
3. On the Check for updates pop-up menu, click the frequency that you want AutoUpdate to use to check for new updates.TIPS
   • If you don’t want AutoUpdate to appear automatically when new updates are available, under How would you like to check for software updates?, select Manually.

reference: https://support.office.com/en-my/article/Check-for-Office-for-Mac-updates-automatically-bfd1e497-c24d-4754-92ab-910a4074d7c1