slidesto.com – If the previously added tabs and group menus are no longer needed, you can delete them using the following steps:
1. Click the File > Options tab
2. In the PowerPoint Options dialog window, select Cutomize Ribbon
Read also How to Add Tabs and Groups to the Ribbon
3. In the Main Tabs list box, select the Tab or Group that you want to delete, then right click and select Remove
4. Click OK to end the process.
Read also: Other Basic Getting to Know Microsoft Powerpoint 2016