Step 1)  To add Multiple accounts in GramDominator using Csv File you need to visit: Account--> Accounts Manager

On this screen you will find 6 buttons :- Add Account, Import Mulitple Accounts, Select, Update, Export, Delete

Step 2) Click on "Import Multiple Accounts"

To add multiple Instagram account you need to click on button "Import Multiple Accounts". Once clicked a modal window will open where you need to upload a .CSV file with the your accounts details in below format.

Without Proxies Groupname(Any Name):Username:Password
Public Proxies
Groupname(Any Name):Username:Password:Proxy:Port
Private Proxies 
Groupname(Any Name):Username:Password:Proxy:Port:ProxyUsername:ProxyPassword

It will automatically check the accounts are working or not and will update the number of followings,followers and post.

Getting trouble in adding accounts contact support.