With the new Gmail Offline setting, you can read messages, compose new messages, and search, delete and label email messages using Gmail offline. When you are offline, you can reply to messages or create new messages, which will be stored in your Outbox when you click on Send. Once a connection is available, Gmail will automatically send messages in your Outbox and download any new emails from the server to your Inbox.
When you are offline, you can reply to messages or create new messages, which will be stored in your Outbox when you click on Send. Once a connection is available, Gmail will automatically send messages in your Outbox and download any new emails from the server to your Inbox.
To enable Gmail offline:
Click on the Settings cog in the top-right corner of the screen
Choose See all settings
Click on the Offline tab
Choose how many days of emails you wish to store for offline access, and whether attachments should be downloaded so that they are available offline
Choose whether to keep offline data on your computer, or remove it when you are connected. This option may not be available, depending on how your administrator has set up Gmail Offline.
Click on Save Changes
Read any warning messages and click on Got It
By default, Gmail stores the last 30 days of mail, including attachments. Spam and deleted items are not stored. To work offline in Gmail, you need the latest version of the Chrome browser and must keep one Gmail tab open in Chrome while offline.