With Global Sms app you can upload your recipient lists in a number of ways:
Just choose the excel file containing your recipient list and upload it. There is no required format for the data in the file. You can load contact information such as recipient name, mobile phone number, email etc.
Simply copy the recipients mobile numbers and paste them in the quick upload screen. The app will display a preview of the data it is about to upload.
Just click the Import from Gmail button and the app will display a preview of the data it is about to upload. This button is very useful for Android devices that automatically sync your phone contacts with Gmail.