Task: I have to share my office presentation with my manager at karin.iversen@example.com. 
Steps:
Click on the three dots button at the top right.
Click on the Share & export button.
Select send a copy option.
Click OK.
Click OK.
Click on the Gmail button.
Select just once button.
Now enter the email id of the person.
Select the given option.
Click on the arrow forward button.