Go to http://www.google.com/a/your_domain.com in any web browser (but be sure to replace your_domain.com with your actual domain name).
Log in with your Google Apps username--the first part of the email address you'll be using with Google Apps--and password.
How do I change my password?
Go to any Gmail page and click the gear icon at the top right. Then click Mail settings, and open the Accounts and Import tab.
In the Change account settings section, click Change password.
In the new window, enter your current password and your new password.
How long until I'm up to speed with Google Apps?
You should be able to begin sending and receiving mail, scheduling calendar events, and managing contacts right away, without any trouble. Becoming accustomed to Gmail's unique mail management features such a conversations and labels can take a bit longer. Within a week, however, many people find they are not only comfortable with Google Apps, but they appreciate the benefits and no longer miss their old application.
Can I open my email or calendar in new tab (not a new window)?
If you use the Chrome browser, links will open in new tabs by default. If you're using another browser, you can change the browser settings to open new tabs instead of new windows. In Internet Explorer, for example, go
to Tools >Internet Options>Tabs>Settings, and click Let Internet Explorer choose how to open pop-ups.
Can I access Google Apps offline?
Yes, you can set up Gmail for offline access to your most recent email messages. To enable this feature, click Settings in the upper-right corner of your Mail window, click the Offline tab, and then click Enable Offline Mail for this computer. (Note, however, that if your Google Apps administrator has disabled offline access for your domain, the Offline tab won't be available and you won't be able to use this feature.)
Do I need to use my company's VPN to access Google Apps when I'm offsite?
No. In most cases, you can just go to you Google Apps URL to access your email and calendar, from any location. However, this might not be true if your company requires VPN access to Google Apps. In that case, if you're outside of your network, you must first connect to the VPN before you can access Google Apps.
Can I access my Google Apps account from another program?
Google Apps works great in any standard web browser. But you can access your account from other programs, too. Here are your choices:
Microsoft Outlook: Access your Google Apps mail, contacts, and calendars from Microsoft Outlook using Google Apps Sync for Microsoft Outlook (available if your organization has purchased a Google Apps for Business or Education account). Learn more about Google Apps Sync.
IMAP clients: You can also access Gmail from any of several other mail programs by setting them up as IMAP clients. These include Outlook, Outlook Express, Thunderbird, Windows Mail, Apple Mail, and more. Get instructions on IMAP clients.