PHRASE I : EXPORT CUSTOMER
Go to Customers > More > Export customers
2. Select File Types > Click Export
3. After clicking export, an excel file will be downloaded
4. Open the excel file (which have just downloaded) . Then, kindly locate Group Name
5. Next, you can add/remove customers to/from group (as you wish) and save the file
PHRASE II : IMPORT CUSTOMER
Go to Customers > More > Import customers
2. Download a template to import customers or Click on "Choose file" and select your Excel or CSV file to import > Upload
3.Done!
4. Lastly, you can see that the customer group has been updated.