The Spaces Toolbar is located on the left side of the Main Window and contains buttons to access the application components.
Opening
–Menu ☰ MyOffice Mail > View > Toolbars > Spaces Toolbar.
Items
–: open the Mail tab.
–: open the Address Book tab.
–: open the Calendar tab.
–: open the Tasks tab.
–: open the Account synchronization window.
–: open the Settings tab.
–: hide the Spaces Toolbar.