On your device, tap Settings > Mail, Contacts, Calendars > Add Account > Microsoft Exchange. In the E-Mail and Username boxes, ...

Office 365

On your device, tap Settings > Mail, Contacts, Calendars > Add Account > Microsoft Exchange.
In the E-Mail and Username boxes, enter your e-mail address. Your e-mail address and your username are the same.
In Password, enter your password, and then tap Next.
In the Server box, enter Exchange ActiveSync server name, and then tap Next.
Tap Save.
If you're prompted to create a passcode, tap Continue and enter a numeric passcode. If you don't set up a passcode, you can't get your e-mail on your device. You can set up a passcode later using Settings > General > Passcode Lock.
Tap Close.
Learn more

Lync Send instant messages and make calls.

Go to the App Store, and search for Microsoft Lync 2010 for iPhone.
Tap the Free button, then tap Install and enter your App Store Apple ID and password.

When the app is installed, it appears on your home screen.

Sign in to Lync
Start the Lync 2010 app, and on the sign-in screen, enter your Office 365 user ID and password, and then tap Sign In.
Access your documents and sites On your iPad, open your browser.
Type your site address into the web browser address bar.
Tip Your team site address using the default Office 365 domain looks like
http://[YourDomain].sharepoint.com
Your team site address using your own custom domain looks like
http://[YourDomain].com On the Office 365 sign-in page, sign in with your Office 365 user ID and password.
Tip To make it easier to return to your site next time, add the site to your web browser favorites. Learn more

On the 个性化设置 (Preferences) page, in the 名字服务器 (Name servers) box, replace the current values with %NAMESERVER1% %NAMESERVER2% ... On the 域名DNS修改 (Change Nameservers) page, in the 域名DNS名称 box, replace the current values with %NAMESERVER1% %NAMESERVER2% ... On this page you can view the information security controls Office 365 has implemented for this standard or regulation that ... On Windows, we recommend uninstalling previous versions of Office before deploying the latest version of Office. If you remove ... On your device, tap Settings > Mail, Contacts, Calendars > Add Account > Microsoft Exchange. In the E-Mail and Username boxes, ... On your device, tap Settings > Mail, Contacts, Calendars > Add Account > Microsoft Exchange. In the E-Mail and Username boxes, ... On your on-premises %BRAND_EXCHANGE_ONLINE_SHORT% server, in the %BRAND_EXCHANGE_ADMIN_CENTER%, navigate to Enterprise > ... On your phone, in the App list, tap Settings and then tap email + accounts . Tap add an account > Outlook . In Email address ... On your phone, in the Applications menu, select Applications > Mail . Select Create a new mailbox to start the setup wizard. ...