To import contacts in the Bellsouth email, you have to follow the below-mentioned steps:
Open Bellsouth email > Contacts > More.
Under this section, you will find Import tab and then click on it to select the file you wish to import.
For exporting the contacts:
Open the Contacts option from Bellsouth email page.
Now click on More > Export All.
You can export individual as well all the contacts at one time from your email.
Now click Continue and then follow the on-screen pop-ups to complete the exporting of contacts.
If at any stage, you find it difficult to import or export the contact then you can reach out to Bellsouth technical support phone numberthat is available 24*7 round the clock to solve your issue.