Client Computer Requirements

Client Computer Requirements

Software Requirements: Updated 12-24-09

Supported system and application software for accessing Microsoft Online Services are shown in the following table.

Software Supported version

Operating systems

Windows 7 Enterprise

Windows 7 Home Basic

Windows 7 Home Premium

Windows 7 Professional

Windows 7 Starter

Windows 7 Ultimate

Windows Vista Business

Windows Vista Enterprise

Windows Vista Home

Windows Vista Ultimate

Windows XP Professional (SP2)

Windows XP Tablet Edition (SP2)

Windows Server 2003 (SP2)

Macintosh OS X (10.4)

System software

Microsoft .NET Framework 3.0 SP1 or Microsoft .NET Framework 3.5

Java client 1.4.2 (on Macintosh OS X)

Java is required only for Microsoft Office Live Meeting. In Office Live Meeting, Macintosh OS X clients will not have access to voice, video, or client-side recording.

Browser software

Windows Internet Explorer 8 (on Windows 7, Windows Vista, and Windows XP)

Windows Internet Explorer 7 (on Windows Vista and Windows XP

Microsoft Internet Explorer 6 (on Windows XP)

Windows Internet Explorer 8 is recommended for the Microsoft Online Services Administration Center.

Firefox 3

Safari 3 (on Macintosh OS X 10.5)

The Microsoft Online Services Sign In application does not support Firefox.

E-mail client software

Microsoft Office Outlook 2007 (SP1) (Recommended)

Microsoft Office Outlook 2003

Office Outlook 2007 without SP1 will not have access to calendar free/busy information. The Microsoft Exchange Online Connector for Office Outlook 2003 SP3 must be installed to use the free/busy information and offline address book (OAB) features. For more information, see About Microsoft Exchange Online Connector for Office Outlook 2003.

Entourage 2004 (on Macintosh OS X 10.4)

Entourage 2008 (on Macintosh OS X 10.5)

Entourage will not have access to the global address list (GAL) or calendar free/busy information.

Mail for Exchange (on Nokia)

Microsoft Online Services Sign In application

.NET Framework 3.0 SP1 when running on Windows XP

Instant messaging software

Microsoft Office Communicator 2007 R2

Conferencing software

Microsoft Office Live Meeting 2007 R2

Office applications on Microsoft SharePoint Online

Microsoft Office 2007

Microsoft Office 2003

Microsoft Office for Mac 2008

Office for Mac 2004

Mobile device software

Mobile devices running Microsoft Exchange ActiveSync 12, such as those listed below, are supported for e-mail and messaging only. Administration and other functions require a personal computer and appropriate software. For mobile device URLs, see URLs for Microsoft Online Services.

Windows Mobile 6

Windows Mobile 6.1

Nokia E series and N series

iPhone with firmware 2.0

Blackberry Internet Service (E-mail synchronization only. Refer to your carrier for setup instructions.)

NotifySync for Blackberry

Hosted Blackberry Enterprise Server (Contact your Microsoft Online Services representative.)

For the latest information on platforms and devices that are being tested, see the Microsoft Online Services Team Blog.

Hardware Requirements

Hardware requirements for client computers used to connect to Microsoft Online Services are shown in the following table.

Operating systems Hardware requirements

Windows 7

1 gigahertz (GHz) Pentium processor and 1 gigabyte (GB) of system RAM (32-bit) or 2 GB of system RAM (64-bit)

Windows Vista

1 gigahertz (GHz) Pentium processor and 1 gigabyte (GB) of system RAM

Windows XP

500 megahertz (MHz) Pentium processor (recommended 1 GHz) and 256 megabytes (MB) of system RAM

For more information about client computer hardware required to run the software, visit the appropriate Web pages listed in the following table.

For information about the following software Go to

Windows 7

Windows 7 Solutions Center

Windows Vista

System requirements for Windows Vista

Windows XP

How to prepare to upgrade Windows 98 or Windows Millennium Edition to Windows XP

Microsoft .NET 3.0

Microsoft .NET Framework 3.0 Deployment Guide

Windows Internet Explorer 8

Internet Explorer 8 System Requirements

Windows Internet Explorer 7

Internet Explorer 7 System Requirements

Microsoft Office Outlook 2007

2007 Microsoft Office system requirements

Microsoft Office Live Meeting

Microsoft Office Live Meeting (2007 version) system requirements

Microsoft Office Communicator 2007

About Enabling Office Communications Online

Hardware requirements for mobile devices used to connect to Microsoft Online Services are determined by your Internet Service Provider, your wireless carrier, and the manufacturer of the mobile device. All of these entities must support the operating system and applications on your mobile device.

Macintosh hardware requirements are determined by the requirements for Macintosh OS X. Visit the Apple Web site for details.

  1. Microsoft Online Services Downloads


    Sign In Application (Required for BPOS) Not required if you are only using EHS (Exchange Hosted Email.)

    Microsoft .NET Framework 3.0


    Microsoft Office Professional 2007

    Live Meeting 2007 Console

    Conferencing Add-in for Microsoft Outlook

    Downloads for Related Services

    Live Meeting as a standalone service

    Exchange Hosted Services

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