Windows 10: What Windows end of support means for Office and Microsoft 365

Laura_C_ · Apr 22, 2025

Support for Windows 10 will end on October 14, 2025. After that date, if you're running Microsoft 365 on a Windows 10 device, the applications will continue to function as before. However, we strongly recommend upgrading to Windows 11 to avoid performance and reliability issues over time. To learn more, What Windows end of support means for Office and Microsoft 365 and Windows 10 supports ends on October 14, 2025

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Brink · Apr 22, 2025

Support for Office 2016 and 2019 to Microsoft 365 services has ended

Support for Office 2016, Office 2019 clients connecting to Microsoft 365 services ended on October 10, 2023 (previously shared in older posts). If your organization is still using these versions to access Microsoft 365 services such as Exchange Online, SharePoint Online, and OneDrive for Business, it is important that you take action. Implications for your organization: Customers using these versions of Office may experience performance or reliability issues when accessing Microsoft 365 services. Here’s what you can expect:

Improvements to Microsoft 365 services will no longer be tested against Office 2016 and Office 2019. As a result, users could experience performance or reliability issues even if they can connect these versions of Office to Microsoft 365.

Microsoft will not actively block these clients from connecting to Microsoft 365 services as long as they are in extended support and are kept up to date. You can review our products’ lifecycle here.

Support for Office for Mac 2019 has ended Office 2019 for Mac has reached the end of the support on October 10, 2023. Clients running this version of the product will no longer receive security updates, bug fixes, technical support, or online technical content support. Continuing to use this version could increase your organization’s exposure to security risks, impact your ability to meet compliance obligations, and/or affect end user productivity. Recommended actions Customers affected by these End of Support (EOS) milestones should transition to a supported Office version to prevent potential security, compliance, and productivity risks. If your organization is seeking a solution that is always supported (refer to the Modern Lifecycle Policy), we suggest upgrading to Microsoft 365 E3. This solution includes Microsoft 365 Apps, which includes all apps users are already familiar with, such as Word, Excel, PowerPoint, Outlook, and more. Alongside Microsoft 365 Apps, Microsoft 365 E3 offers the following capabilities:

Foundational Zero-Trust: Helps secure identities, devices, and applications against threats.

Streamlined Endpoint Management: Provides IT administrators with management tools and enhanced user experience for employees.

Productivity and collaboration: Promotes collaboration across your organization, fostering new ways of working.

Here are some resources to help plan the move:

Review a summary of the Microsoft 365 Apps and Office support configuration matrix.

Read this article to plan an upgrade from older versions of Office to Microsoft 365 Apps. (While the guidance doesn't specifically mention Office 2016 or Office 2019, most of the information still applies to those versions.)

Consider engaging Microsoft FastTrack, a Microsoft support service for moving to Microsoft 365 E3.

Review the new Total Economic Impact™ of Microsoft 365 E3 study by Forrester Consulting.

For devices that might not be ready to move the cloud, we launched Office Long-Term Servicing Channel 2021 (LTSC). This version of Office was designed for devices that can’t accept feature updates or connect to the Internet. Note that only Mainstream Support applies to Office LTSC 2021 and support ends on October 13, 2026. Please visit our Office End of Support Tech Community for more information and resources about end of support for Office. Thanks again for being a Microsoft customer!
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Source: https://techcommunity.microsoft.com/...s/ba-p/3956142

Brink · Apr 22, 2025

Support for Office 2013 has ended

As mentioned in previous posts, 11/11/2021 and on 11/15/2022, Office 2013 reached the end of the Extended Support lifecycle on April 11, 2023. Continuing to use Office 2013 could increase your organization’s exposure to security risks, impact your ability to meet compliance obligations, and/or affect end user productivity. Additionally, support for other Microsoft Office products is also coming to an end in the next months. Please review the following list and act before the end of the product’s lifecycle:

Office 2019 for Mac reaches end of support on October 10, 2023. This means Office 2019 for Mac will no longer receive security updates, bug fixes, technical support, or online technical content support.

Connecting Office 2016 and Office 2019 to Microsoft 365 reaches end of support on October 10, 2023. After this end date we won’t block these Office versions from connecting to Microsoft 365 services if they are kept up to date. But after October 10, 2023, improvements to Microsoft 365 services will no longer be tested with these Office versions, so, users could experience performance or reliability issues. Read more about this in our Microsoft Learn article.

If you're running a version affected by any of the end of support dates, we recommend upgrading to Microsoft 365 E3, which comes with Microsoft 365 Apps – the apps you're familiar with (e.g., Word, Excel, PowerPoint, Outlook, etc.). It falls under the Modern Lifecycle Policy, so it’s continuously supported. Here are some resources to help plan the move:

Review a summary of the Microsoft 365 Apps and Office support configuration matrix.

Read the Office 2013 upgrade guidance for an overview of how to move from Office 2013 to Microsoft 365 Apps.

Consider engaging Microsoft FastTrack – a Microsoft support service for moving to Microsoft 365 E3.

Please visit our Office End of Support community for more information and resources about end of support for Office. Thanks again for being a Microsoft customer!
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Source: https://techcommunity.microsoft.com/...d/ba-p/3799328

Brink · Apr 22, 2025

Support for 2013 versions of Office 365 ProPlus ends February 28, 2017

Hi everyone,

If you’re running the 2013 versions of Office 365 ProPlus apps, you’ll need to upgrade to the latest version of Office 365 apps to continue to receive support from Microsoft after February 28, 2017. Below is a list of products for which support will end:

Office 365 ProPlus (2013)

Office 365 Small Business Premium (2013)

Office 365 Business (2013)

Project Pro for Office 365 (2013)

Visio Pro for Office 365 (2013)

Note that this does not apply to Office 2013 Professional Plus, Professional, and Standard editions.

For more information, see this article: Support for the 2013 versions of Office 365 ProPlus ends February 28, 2017.

Thanks,

Anahita
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Source: Support for the 2013 versions of Office 365 ProPlus ends February 28, - Microsoft Community

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