How to add Office Add-ins in Excel @Office365

Tour : How to add Office Add-ins in Excel
1. Create New Blank Sheet or open already created excel sheet
2. Click on INSERT tab
3. Click on Office
Add-ins
To add new tab
4. Add-Ins may access personal and document information and can be used in your excel sheet
5. Your Add-Ins are shown here in home panel of Excel
You can use it in your excel sheet