The first is "BoostExcel". This tab is always visible. You can move it to Excel’s "Insert" ribbon tab if you want by using the option on the "Settings" window.
The second is the "Gantt Chart" ribbon tab, which is visible only when the active Excel sheet is a Gantt chart sheet.
|Insert New Task||Add a new task above the selected task.|
|Edit||Show the selected task in the "Editing Task" window, where you can also define the dependency relations for tasks.|
|Duplicate||Create a copy of the current task, including all its child tasks.|
|Delete||Delete the selected task and all its child tasks.|
|Make Parent||Raise the task one WBS level up.|
|Make Child||Lower the task one WBS level down.|
|Move Up||Move the task one row up within the same WBS level.|
|Move Down||Move the task one row down within the same WBS level.|
|Clear Task List||Delete all tasks.|
|Task List Columns||Add, delete, move, or hide task list columns.|
|Calendar Views||Change the calendar view, including "Daily", "Weekly", "Monthly", etc.|
|Chart Elements||Choose what to draw on the Gantt chart.|
|Template||Pull down the menu to see a list of templates available. Apply a template to the current Gantt chart by clicking the template name. See Templates for more information.|
|Project Options||Set the date format, week rule, first day of week, etc., for the current project.|
|Export to PDF||Export the task list, the chart, or both to PDF format.|
It does the following:
|Date Range||Set the date range of the timeline.|
|Scroll to start||Scroll to the start of the timeline.|
|Scroll to today||Show "Today" in the center of the window if it is within the timeline range.|
|Scroll to end||Scroll to the end of the timeline.|
|Freeze Task List||Freeze or unfreeze task lists and headings.|
|Disable Live Update||Disable or enable the updating of the chart when the tasks are being updated.|
|Disable Picker Button|
Disable or enable the picker button for the Category, Resource, and date columns.
When it is disabled, you can still double-click to display the pickers.