How to open existing spreadsheet files from Google drive?
All the google docs spreadsheet will be added and listed in google drive.
To open the google spreadsheets from google drive,
Step 1: Click the sheets home icon in the left of menu bar,
Step 2: Click the Google icon and select "Drive".
Step 3: Select the spreadsheet file from the list under "My Drive"
Here, "Short Tutorials" spreadsheet file is opened,