Messenger app WhatsApp is carrying out a major improvement of its system - but it means your data including photos and videos as well as chats could be wiped out.

Google has agreed with WhatsApp it will now offer backups for people using the app, meaning you will be able to save far more photos, videos and store your historic chats for longer.

It also means people's WhatsApp content will not take up part of the 15GB limit for Google Drive, reports Mirror Live.

But the bad news is the new wave of back-ups could kill off any older data.

It means if you don't have your account backed up by November 12 you could lose it all. Google is recommending users should back-up their WhatsApp accounts manually.

How to back up your WhatsApp data


WhatsApp's new group calling feature



It comes after WhatsApp last month launched a new feature whereby four people can join in a video conference call.