1. Right click on the file you want to share
2. Go to Advance on the bottom of the dialog box
3. Sharing setting dialog box will appear on the screen
4. Click on the Edit file icon it open drop down click on set expiration
5. Click Done button
OR
5. Clock icon will appear when you hover mouse on the email address
6. Click on the timer icon you want to set expiration time
7. Dialog box will open, Set the Access expires date as per your need
8. Click on save change button