Security and reliability
Exchange Online helps protect your information with advanced capabilities. Anti-malware and anti-spam filtering protect mailboxes. Data loss prevention capabilities prevent users from mistakenly sending sensitive information to unauthorized people. Globally redundant servers, premier disaster recovery capabilities, and a team of security experts monitoring Exchange Online around the clock safeguard your data. And with a guaranteed 99.9% uptime, financially-backed service level agreement, you can count on your email always being up and running.
Large mailboxes: 50 GB of email storage with ability to send messages up to 25 MB in size.
Outlook support: Connect supported copies of Outlook and get access to mail, contacts and calendars with fully featured offline support.
Mobile access: Available from all phones and tablets that can receive email, including Windows Phone, iPhone, iPad, Android, and Blackberry devices.
Web-based access: Access email through any modern web browser using the Outlook Web App, which provides a premium browser-based experience that matches the look and feel of Outlook.
Custom domain: Ability to use your own custom domain as your email address…… firstname.lastname@example.org.
Guaranteed uptime: Get peace of mind knowing your email will be available when you need it, with a financially-backed 99.9% uptime service level agreement.
Secure and protected: Defend against malware and spam with built in filters that are frequently updated to address new threats.
Shared calendar and contacts: Users can compare calendars to schedule meetings and can contacts, groups, and access a company-wide global address list, external contacts, tasks, conference rooms