Before you proceed, you need InTouchApp installed on your phone & InTouchApp Extension installed on Chrome or Firefox. Learn more.
How to add/assign custom prefix while saving unknown contacts?
Step 1 - Click on Save Now to save all unknown contacts
Step 2 - By default, the unknown contacts are saved as WhatsApp Web 0001, WhatsApp Web 0002, etc. To add a custom prefix to the contacts, select anyone from the list below.
To add a new prefix, type in the name for the prefix and click on.
And it's Done!