You can send messages to each person separately by insert them in excel only

click on the plus sign in the data table to show you a new page, choose a name for the table and click on choose file. The excel file must contain integer numbers with the country code without adding 00, besides the number should not starts with 0 example; in  Lebanon customers that starts their number with 03 should directly enter 3. Then select the number of column by clicking on it and then click on Save.

if massejli does not automatically recognize it. You can arrange tables according to ID, name, rows count , columns count , or their orientation in ascending or descending order.