Offline access to Gmail, Calendar and Docs has recently been made available to Google Apps domains
Gmail: Gmail Offline is a Chrome Web Store app based on the Gmail web app for tablets.
Calendar: When offline, you can view events and RSVP to appointments.
Docs: You can view documents and spreadsheets offline.
Editions included:
Google Apps, Google Apps for Business, Government and Education
How to access what’s new:
Gmail: Install the Gmail offline app from the Chrome Web store. Administrators need to first allow access to the ‘Chrome Web Store’ service. IT administrators can deploy Chrome Web Store apps to users en masse by setting up organizational policies for Chrome.
Calendar and Docs: Click the gear icon at the top right corner of the web app and select the option for offline access.
