Offline access in Gmail Labs

According to the Google Enterprise Blog, Offline access is now available in Gmail Labs. To enable this feature:

1. Sign in to Gmail and click ‘Settings’.
2. Click the ‘Labs’ tab and select ‘Enable’ next to ‘Offline Gmail’.
3. Click ‘Save Changes.’
4. In the upper righthand corner of your account, next to your username, there will be a new ‘Offline’ link. Click this link to start the offline synchronization process.