This is what you will have to do to activate the WhatsApp vacation mode:
Open the WhatsApp application and go to Settings (Android) / Settings (iOS) Go to Notifications and activate “vacation mode”
-To archive conversations: swipe the chat you want to archive to the left and press Archive.
-View archived conversations: go to the beginning of your conversations and swipe down. It will appear in a tab above the Search option.
-To unarchive conversations: go to the archived tab, swipe the chat you want to unarchive to the left and select Unarchive.
BuzzFeed – CNN