Office Professional Plus 2010
Learn more about the latest version of the Office applications, seamlessly connected and delivered with cloud services, including the new Office Online, online companions to Word, Excel, PowerPoint, and OneNote.
Microsoft Office Online
See how to view, share and edit your Microsoft Office documents on the web with Microsoft Office Online.
Get started with Office Online in Office 365
Microsoft Office Online and Office 365 let you keep your Office documents in the cloud, so you can work on them on the Internet no matter where you are, and you can share them with your business partners and co-workers.
Using Office Online in SharePoint
Office Online give you browser-based viewing and editing of Office documents from anywhere you have a connection to your organization’s SharePoint site.
How to replace a lost or damaged Microsoft Office product key
Start the Online Solution Wizard to determine if you can obtain a replacement Office 2010 product key from Microsoft Customer Service.
Professionals and small businesses: Set up your desktop for Office 365
Get the steps to set up your computer to work with Microsoft Office 365 for Professionals and small businesses.
Redelegate your domain to Office 365
Learn how to create email addresses, Microsoft Lync Online accounts, and distribution lists that use your own domain namem as well as, use your domain to host a website on Microsoft SharePoint Online.
Midsized businesses and enterprisess: Set up your desktop for Office 365
Review this topic that will walk through installing updates for desktop applications from the Office 365 downloads page and then configuring your computer.
Connect a mobile device to email in Office 365
See how to connect your Windows Phone, Apple iPhone, and BlackBerry® devices to Office 365.
Use Office Online on your cell phone
Learn how the Mobile Viewers for Office allow you access the Office Online with your cell phone’s browser.
Microsoft Office Online deployment
This page provides tools and resources for IT professionals planning to deploy Office Online in a SharePoint environment.
Deploy Office Professional Plus for Office 365
Get the steps to deply Office Professional Plus for Office 365.
Help for Office 365 for Professionals and small businesses
Get help for common tasks.
Help for Office 365 for Midsized businesses and enterprises
Get help for common tasks.
FAQs for Outlook Web App
Review these answers to frequently asked questions about setting up and managing your account.
Office Web App help topics
These help topics apply to Office 365 for small businesses, Office 365 for enterprises, Microsoft Exchange and Live@edu.
How to troubleshoot the Outlook Offline Address Book in an Office 365 environment
This article describes how to use the Microsoft Outlook Web App client to troubleshoot Offline Address Book issues in Microsoft Outlook.
Installing a volume-licensed edition of Office 2010 causes a subscription to Office 2010 to enter Reduced Functionality Mode (RFM)
Get the automatic fix for resolving Reduced Functionality mode in this scenario.
Office Professional Plus enters reduced functionality mode
This article presents three additional causes for RFM and methods to each.
You cannot open Outlook 2007 after you downgrade from Outlook 2010
Follow these steps to create a new email profile to resolve this issue.
Office Professional Plus messages appear before you start an Office application
Get the steps to activate Office Professional Plus to resolve this issue.
"To use your subscription for Microsoft Office on this computer, you must first disable the subscription on another computer" message when you install Office Professional Plus
Learn steps to identify the cause and resolution for the maximum number of computers has already licensed to the Microsoft Online Services ID that was entered.
You cannot view a list in Datasheet view after you install the 64-bit version of Office 2010
Resolve the issue so you can view a list in Datasheet view on a SharePoint website after you install the 64-bit version of Microsoft Office 2010.
Error message when you try to read or to delete email or when you click "Send/Receive" in Outlook: "An unknown error has occurred" or "Messaging interface has caused an unknown error"
This article provides steps to resolve this problem when you error messages when you try to read email in the Microsoft Outlook Inbox or when you click Send/Receive.
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