Where can you find additional commands to include in menu options?

Click the Insert tab, then the More button.

Click the View tab, then the Add Command button.

Look under Outlook options in the Backstage view.

Look under Outlook options after clicking the Home tab.

Look under Outlook options in the Backstage view

Explanation:

If we want to add more commands in Outlook, we must look under Outlook options in the backstage view.

Then we must click in the option customize ribbon, we are going to see all the commands that we can add.

For example:

We have an option to do a filter in customize ribbon area, we can see the most popular commands or all of them.

We want to add the command New contact, we can choose where to add it, if we make a mistake, we can remove the command.