Using Gmail without internet

Many people suddenly have problems using the Internet on computers or smartphones. But don't worry, Gmail can be used without internet. Although it may sound surprising, you can read old e-mails and send new e-mails in Gmail without internet. However, the new e-mail does not reach the recipient immediately. E-mails sent offline will go to the specified address only when the Internet connection is activated on the computer or smartphone.

To use Gmail offline first 

https://mail.google. COM/mail/u/0/#settings/offline

The address should be entered. Now check Enable offline mail option. Here you have to select any option under After logging out of my Google account. If you select Keep offline data on my computer, the data will remain on the computer even if you log out of Gmail. And if you select Remove offline data from my computer, the data of offline work will be deleted only when you log out of Gmail.