Data from csv can be directing imported in Collections and Datalist from this area. All you need
to have is just the csv file of the data which is to be imported.
Steps to import data in collection
Step 1: Go to the Setup
Step 2:Click on Data import inside Setup in left sidebar
Step 3: Select the collection name in which you want to import data.
Step 4: Set the permission of who can see the imported data.
Step 5: Select the team.
Step 6: Attach the file to attachment.
Step 7: Click on upload to all the file.
This sheet should have those column filled with data which are in form