You can export and download data in your Google account using Google Takeout, including data in Gmail, Docs, Calendar, Photos and etc. The exported data can be kept as backups or be used with services out of Google.
What can I export using Google Takeout?
The data in your Google account such as Gmail, Contacts, Photos, Keep notes, Chrome history and bookmarks, will be listed when creating a new export. You can select or deselect the items as you need.
For a full list of data types and the corresponding storage, sign in to your Google account and visit Google Dashboard.
How to use Google Takeout?
Visit Google Dashboard and click “Download your data”. Or simply visit Google Takeout to start.
How to download your Google data
Note: Downloading your data does not delete it from Google’s servers. Learn more at Delete your Google Account or Delete your Activity.