Important: When you import a ribbon customization file, you lose all prior ribbon and Quick Access Toolbar customizations. If you think that you might want to revert to the customization you currently have, you should export them before importing any new customizations.
  1. Click the File tab.
  2. Under Help, click Options.
  3. Click Quick Access Toolbar.
  4. Click Import/Export, and then click Import customization file.

For more information about how to customize the ribbon, see Customize the ribbon in Office.

Why am I seeing a green ball?

You see a green ball if you added a custom group or command to the Quick Access Toolbar after you customized the ribbon, but didn't assign an icon to represent that custom group or command.

Microsoft Outlook Toolbar Download

The icon is used if you do the following:

Add an icon to represent the custom group or command

Outlook Mail Toolbar Not Showing

  1. Click the File tab.
  2. Under Help, click Options.
  3. Click Customize Ribbon.
  4. In the Customize the Ribbon window, under the Customize the Ribbon list, click the custom group or command that you added.
  5. Click Rename, and then in the Symbol list, click an icon.
  6. In the Rename dialog box, click OK.
  7. To see and save your customizations, click OK.

Outlook 2016 Menu Bar Missing

For more information about how to customize the ribbon, see Customize the ribbon in Office.