If for any reason (in particular, an express request from the contact under the provisions of the RGPD), you need to delete a contact, you should proceed as follows:
In the Main Menu, on the left of your screen, click on the Clients menu,
Then click on the Contacts tab
Once you have found the Contact concerned, click on its name and open its file,
Then click on Delete,
When asked "Are you sure you want to delete this contact?
Please note that it is not possible to delete a contact linked to a sales file:
But in this case you can make the contact anonymous by changing their personal details to generic values.