Office 365 Product

Microsoft Support Site

Microsoft Office 365

https://support.office.com

Delve  

https://support.office.com/en-us/delve

Excel    

https://support.office.com/en-us/excel

Groups     

https://support.office.com/en-us/article/learn-about-office-365-groups-b565caa1-5c40-40ef-9915-60fdb2d97fa2

OneNote        

https://support.office.com/en-us/onenote

Outlook                 

https://support.office.com/en-us/outlook

Planner       

https://support.office.com/en-us/article/microsoft-planner-help-4a9a13c6-3adf-4a60-a6fc-15c0b15e16fc?ui=en-US&rs=en-US&ad=US

PowerPoint      

https://support.office.com/en-us/powerpoint

Publisher   

https://support.office.com/en-us/publisher

SharePoint      

https://support.office.com/en-us/sharepoint

Skype for Business     

https://support.office.com/en-us/skype-for-business

Sway               

https://support.office.com/en-us/sway

Teams          

https://support.office.com/en-us/teams

To-Do    

https://support.office.com/en-us/article/welcome-to-microsoft-to-do-762cbbf9-7fc1-48e5-b619-005622da89d0

Word             

https://support.office.com/en-us/word

Yammer  

https://support.office.com/en-us/yammer