But you should also keep in mind that the storage space Gmail offers is shared among all Google services, including Google Drive, a file storage and synchronization service that allows users to store files on their servers, synchronize files across devices, and share files with others. On its own, Gmail doesn’t automatically delete emails, which is a good thing since it comes with so much free storage space. A confirmation message should appear, telling you that your filter was created. If you want to, check the “Also apply filter to matching conversations” option to label older emails as well. Either select an existing label or create a new one and click on the blue Create filter button.