MessageBox has been built to accept all the most common ways that companies might store mobile number data.
Don't worry if Excel has dropped the leading number from your list, MessageBox will put the zero back in for you.
The following formats of mobile number are all acceptable.
Spaces in numbers will also be removed.
Numbers containing non-numeric characters will not be uploaded
If you upload numbers into a group, then all duplicates will also be removed.
If you are not saving numbers to a group, then duplicates will not be removed.