Preliminary information
Before explaining to you how to delete a WhatsApp contact not present in the address book, I have to give you some preliminary information about it.
In fact, you must know that it is not possible to delete - in the strict sense of the term - a WhatsApp contact if this has not been first added to the address book of your device. However, there is a solution that still allows you to delete the person from the app: block them, so as to prevent them from any subsequent interaction, and delete the conversation previously started in the app.
In the next paragraphs I will already explain in detail how to act, so all you have to do is continue reading this guide.
How to delete WhatsApp contact not present in the address book
Having made the necessary premises, let's see how to block a user on WhatsApp and, subsequently, delete the chat previously started with the latter. These are very simple operations to complete. They can also be done in the same way on Android, iPhone but also on a computer, via WhatsApp Web or the WhatsApp desktop client for Windows and macOS: for more details, read on.
From Android
To block user on WhatsApp to Android, in order to prevent any subsequent interaction with you, you must first start the famous instant messaging app (by pressing on its icon located on the home screen and / or in the drawer of your device).
Then, via the screen Chat, locate the conversation with the user you want to delete and press it, to see all the messages sent and received. Once this is done, click on the icon (...) located at the top right, in correspondence with the user's name and, in the menu that is shown to you, presses on the items More> Block. Finally, confirm the user blocking operation by pressing the button Block that is shown to you.
At this point, to delete the chat, go back to the screen Chat of WhatsApp and hold your finger on the conversation you want to delete. Once this is done, press ontrash can icon located at the top and confirm the cancellation of the chat by pressing the button Delete that is shown to you.
From iPhone
Also by acting through the WhatsApp to iPhone you can easily block a user on WhatsApp, to prevent him from contacting you again. Furthermore, after performing this operation, through the instructions I am about to provide you, you can also delete the chat started with the user in question.
To proceed, first launch the WhatsApp (pressing on its icon located on the home screen of your "iPhone by"), then, through the screen Chat, locate the conversation with the user you want to block and press it, in order to view the messages contained within it.
Once this is done, press on user's name located at the top and, in the next screen that is shown to you, press the button Block contact. Finally, confirm the blocking operation by pressing the button Block that is shown to you.
After doing this you can proceed to delete the chat. To do this, return to the screen Chat of WhatsApp, swipe to the right, in correspondence with the chat to be deleted, press the icon (...) and, in the menu that is shown to you, click on the button Delete Chat. Finally, confirm the cancellation by pressing the button again Delete Chat.
From PC
It was used WhatsApp da PC means Web WhatsApp or via its desktop client for Windows e MacOS, follow the instructions I am about to give you below, to block a contact and cancel the chat started with the latter.
To get started, log in to WhatsApp Web or launch the desktop client by scanning the QR code from your device, in order to synchronize all WhatsApp chats. If you don't know how to perform this step, read my guide dedicated to how WhatsApp for PC works.
Now, locate the chat with the user to block and click on it, in order to see the messages sent and received. Once this is done, click on name of the user located at the top and, in the menu that is shown to you, press the button Block. Confirm the operation by pressing the button again Block that is shown to you.
At this point, to delete the chat, press the icon (...) located in the upper right corner, in correspondence with the username and, in the menu that is shown to you, click on the item Delete Chat. Finally, to confirm the operation, press the button Delete.
