Yes, you have to back up chats, media, and files on the cloud storage. You use the in-app service of WhatsApp, which allows you to take a complete backup of your data on your Gmail account. To do so, rundown to the following steps. 1. Open WhatsApp. 2. Click on the three-dot. 3. Select the Settings option. 4. Tap on the Chat and scroll down. 5. Press on the Chat Back. 6. Pick the Google Drive. 7. Finally, click on Back Up.