If you go to your Office 365 app launcher (typically accessed via the waffle in the top left corner of your Office 365 web portal) you’ll see or soon see a new icon.
The Office 365 Store has arrived!
Selecting the Office 365 Store icon will take you to the above page, where you can now start adding third party applications to your Office 365 environment.
Selecting an app will take you to a dedicated page like that above, where you can now add it to your environment.
As you can there are currently over 1,200 apps available to be added in! You can also expect this number to grow rapidly.
Office 365 provides a standard platform to develop and use apps. This is appealing for both users and developers. Other cloud platforms make lots of noise about all the third party add-ons they have. 1,200 is s good starting point that will only increase. You just watch and see.