Go to Teams, click
on the 3 dots on the left side of your screen-
Select the app you
would like to open, this will then open the app in teams and you can use a lot
of functionality of the app straight from teams, this is especially handy if
you need to make quick edits without having to go through the effort of opening
the actual desktop up.
You can also pin the
app to your teams by right clicking on the app and selecting the pin, which
will then keep the app in your teams for super quick access!