Mobility | 
- Support for full range of smartphones and tablets, including ActiveSync (iPhone, iPad, Android, Windows 7) and BlackBerry BIS and BES
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- Support for full range of smartphones and tablets, including ActiveSync (iPhone, iPad, Android, Windows 7) and BlackBerry (BIS)
* BES not yet available
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- Support for ActiveSync devices; BlackBerry support requires BES or downloadable apps from Google
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Supported Mail Platforms | 
- 25 GB or unlimited storage options; message size limit 50 MB
- Enterprise version of Exchange 2010 (latest version); Outlook 2010 available
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- Storage max 25 GB; message size limit 25 MB
- Hosted version of Exchange 2010 (latest version); Outlook 2010 available as add on (higher-end plans only)
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- Storage max 25 GB; message size limit 25 MB
- Gmail connects with basic Pop or IMAP connection for mobile and Outlook; Gmail Business Plans are based off the same free Gmail service
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Public Folders | 
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- Public Folders not available
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- Public Folders suported via Google Groups
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Microsoft Outlook | 
- Exchange 2010 enables full support of Microsoft Outlook 2010 features such as improved calendaring and conversation view
- Outlook Web App (enhanced web access available with Exchange 2010)
- Microsoft Outlook 2011 for Mac available
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- Exchange 2010 enables full support of Microsoft Outlook 2010 features such as improved calendaring and conversation view
- Outlook Web App (enhanced web access available with Exchange 2010)
- Microsoft Outlook 2011 for Mac available
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- Google Apps Sync for Microsoft Outlook is a plug-in for Outlook 2003, 2007, or 2010; however, there are limitations and synchronization issues between the two
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| Microsoft Office Software | 
- Outlook 2010 available; customer can provide own copies of other Office software
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- Web Apps offered as a subscription (expires on termination of subscription)
- Office 2010 Professional Plus suite available as add-on (higher-end plans only)
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- Google Docs or customer can provide own copies of Microsoft Office software
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Collaboration and File Management | 
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- Lync
- SharePoint 2010 (document sharing, online backup, shared contacts, calendars, folders)
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- Google IM, Docs and Cloud Connect services
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Archiving | 
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Voice/Unified Communications Offering | 
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- No voice offering
*third-party services available through Office 365 Marketplace
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- Google Voice, a consumer-oriented service
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