Every Google user gets 15GB of free online storage for use with Google Drive, which includes your Google Docs, Sheets, Slides, Drawings, Forms, and Jamboard files, as well as Google Photos. Your Gmail account is also tied to it. If you have trouble deleting messages or often receive large email attachments, you can easily hit that 15GB limit. When this happens, Google will sell you extra storage on its servers.
Here's how to recover your Google storage space forever… for free!
To see how much Google storage you have left or to buy more storage, go to the Drive Storage screen of your Google Account. Here's how:
Sign in to one of your Google apps, such as Gmail, and select your profile icon or picture.
Select Manage your Google Account.