Create and send email: Email without an internet connection

6. Email without an internet connection

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Use Gmail offline to read, respond to, and search your Gmail messages when you aren't connected to the internet. Any email you write, archive, label, or delete while you're offline will be sent or moved when you’re back online.

When you enable Gmail offline on a device, your messages sync with the browser's storage on the computer you're using. Enable Gmail offline on each device for which you want offline access.

Enable Gmail offline:

In the top right, click Settings > Settings.
Go to the Offline tab and check the Enable offline mail box.
(Optional) Next to Sync settings, choose how many days of email you want to store offline.
Next to Security, choose whether to keep or remove offline data on your device.
If you don’t see this option, it might be set by your G Suite administrator.
Click Save Changes.

Note: If you don't see the Offline option, it might not be enabled for your organization. See your G Suite admin.