Upgrade from Outlook 2010 to Outlook in Office 365.

Still using Outlook 2010? Focus on what matters with Outlook in Office 365.
Outlook 2016
*Product image represents Outlook 2016

Outlook 2010 will be retired in 2020

Updates are required to stay supported. Please update to Office 365 to get product support.
Find more information here

What’s new with Outlook in Office 365?

Stay focused on what’s important

Stay focused on what’s important

Focused Inbox separates your most important emails from the others, so you can stay on top of what matters.
Collaborate with ease

Collaborate with ease

With 1 TB of OneDrive cloud storage, you can back up, share, and co-author workbooks from any device.
Take Outlook on the go

Take Outlook on the go

Keep up with email, plus review and edit attachments from anywhere, with powerful mobile apps.
Always up to date

Always up to date

Get exclusive, new features and security updates available only for Excel in Office 365.

Compare Outlook 2010 and Outlook with Office 365

Improved calendar features

The new To-Do bar shows your calendar, tasks, and newly arrived email in one place. Plus, you can now share your schedule with others.

Check mark to show what is included in Office 365
Outlook Groups

Create Groups to discuss, collaborate, and share files and notes with others. Use Skype for Business voice and video calls for real-time decisions.

Improved conversation view

Track and manage related messages, no matter what folder they’re in, and view the conversation in chronological order.

Mobile apps for your devices

Stay more connected and productive with Outlook mobile apps. Enjoy a familiar user experience on iOS®, Android™ and Windows mobile devices.

Share files from the cloud

Upload and share attachments from OneDrive without leaving Outlook. Recipients have automatic access to the latest version.

Always up to date

Always have the latest Office apps, features, and services.

Improved calendar features

The new To-Do bar shows your calendar, tasks, and newly arrived email in one place. Plus, you can now share your schedule with others.

Outlook Groups

Create Groups to discuss, collaborate, and share files and notes with others. Use Skype for Business voice and video calls for real-time decisions.

Improved conversation view

Track and manage related messages, no matter what folder they’re in, and view the conversation in chronological order.

Mobile apps for your devices

Stay more connected and productive with Outlook mobile apps. Enjoy a familiar user experience on iOS®, Android™ and Windows mobile devices.

Share files from the cloud

Upload and share attachments from OneDrive without leaving Outlook. Recipients have automatic access to the latest version.

Always up to date

Always have the latest Office apps, features, and services.

Compare Outlook 2010 and Outlook with Office 365

Outlook in Office 365

*included with Office 365

Outlook 2010
Improved calendar features The new To-Do bar shows your calendar, tasks, and newly arrived email in one place. Plus, you can now share your schedule with others.
Check mark to show what is included in Office 365
Outlook Groups Create Groups to discuss, collaborate, and share files and notes with others. Use Skype for Business voice and video calls for real-time decisions.
Improved conversation view Track and manage related messages, no matter what folder they’re in, and view the conversation in chronological order.
Mobile apps for your devices Stay more connected and productive with Outlook mobile apps. Enjoy a familiar user experience on iOS®, Android™ and Windows mobile devices.
Share files from the cloud Upload and share attachments from OneDrive without leaving Outlook. Recipients have automatic access to the latest version.
Always up to date Always have the latest Office apps, features, and services.

Outlook in Office 365

*included with Office 365

Outlook 2010
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Office 2010 include applications such as Word, Excel, PowerPoint, and Outlook. They’re available as a one-time purchase for use on a single PC.


Office 365 plans include premium versions of these applications plus other services that are enabled over the Internet, including online storage with OneDrive and Skype minutes for home use. With Office 365 you get the full, installed Office experience on PCs, Macs, tablets (including iPad® and Android™ tablet) and phones. Office 365 plans are available as a monthly or annual subscription.

See system requirements for compatible versions of Windows and macOS, and for other feature requirements.

You don’t need to be connected to the Internet to use Office applications, such as Word, Excel, and PowerPoint, because the applications are fully installed on your computer.


However, Internet access is required to install and activate all the latest releases of Office suites and all Office 365 subscription plans. For Office 365 plans, Internet access is also needed to manage your subscription account, for example to install Office on other PCs or to change billing options. Internet access is also required to access documents stored on OneDrive, unless you install the OneDrive desktop app.

You should also connect to the Internet regularly to keep your version of Office up to date and benefit from automatic upgrades. If you don’t connect to the Internet at least every 31 days, your applications will go into reduced functionality mode, which means that you can view or print your documents but cannot edit the documents or create new ones. To reactivate your Office applications, reconnect to the Internet.

Yes. Documents that you have created belong fully to you. You can choose to store them online on OneDrive or locally on your PC or Mac.


If you cancel your subscription or it expires, you can still access and download all your files by signing in to OneDrive directly using the Microsoft account you used to set up Office 365. You do lose the additional storage that comes with your subscription, so you must save your files elsewhere or buy more OneDrive storage if your OneDrive account exceeds the free storage quota.

If you purchase an auto-renew subscription, your subscription starts when you complete your purchase. You can purchase auto-renew subscriptions from Office365.com, MicrosoftStore.com, iTunes®, and some other retailers. If you purchase a pre-paid subscription, your subscription starts when you activate your subscription and land on your My Account page. You can purchase pre-paid subscriptions from a retailer or reseller, or a Microsoft support agent.


If you have an active Office 365 Home subscription, you can share it with up to four members of your household. Each household member you share your subscription with can use any of your available installs on their PCs, Macs, iPads, Android tablets, Windows tablets, iPhones® or Android phones, get an additional 1 TB of OneDrive storage, and manage their own installs from www.office.com/myaccount.


To add someone to your subscription, visit www.office.com/myaccount and follow the onscreen instructions to add a user. Each person you add will receive an email with the steps they need to follow. Once they have accepted and completed the steps, their information, including the installs they are using, will appear on your My Account page. You can stop sharing your subscription with someone or remove a device they are using at www.office.com/myaccount.

“The cloud” is a friendly way of describing web-based computing services that are hosted outside of your home or organization. When you use cloud-based services, your IT infrastructure resides off your property (off-premises), and is maintained by a third party (hosted), instead of residing on a server at your home or business (on-premises) that you maintain. With Office 365, for example, information storage, computation, and software are located and managed remotely on servers owned by Microsoft. Many services you use every day are a part of the cloud—everything from web-based email to mobile banking and online photo storage. Because this infrastructure is located online or “in the cloud,” you can access it virtually anywhere, from a PC, tablet, smartphone, or other device with an Internet connection.


Outlook 2010 resources

Outlook 2010 help topics

Find user guides, training, and other support for Outlook 2010.

Other versions of Office

Learn about other versions of Office and how you can upgrade to the new Office 365.

Download Office 2010

Download and install Office 2010 using an existing product key.
Microsoft Outlook with an Office 365 subscription is the latest version of Outlook. Previous versions include Outlook 2013, Outlook 2010, and Outlook 2007.

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