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SharePoint 2013 → Subscription Edition

SharePoint on-premises installation, upgrades and support

Inthouse helps organizations that run SharePoint Server on-premises with installation, upgrades to Subscription Edition, maintenance and custom apps. We've worked on the SharePoint environments of BİM, Türk Eximbank, PwC and Multinet.

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Microsoft support for SharePoint 2016 and 2019 has ended

Extended support for both versions ended on July 14, 2026. They no longer receive security updates, and there is no paid extension program. If you need to stay on-premises, the current path is SharePoint Server Subscription Edition.

Does this sound familiar?

  • You run SharePoint 2013, 2016 or 2019, and your version no longer gets security updates.

  • Regulation or company policy requires your data to stay on-premises.

  • Custom solutions, workflows and integrations make an upgrade look risky.

  • You don't have a SharePoint specialist in-house, or your team is busy with other work.

What we do

  • Installation and configuration

    We set up Subscription Edition environments, from architecture to configuration. That's how we built BİM's SharePoint Subscription Edition environment.

  • Version upgrades

    We move content, permissions and custom solutions together from 2013, 2016 and 2019 to Subscription Edition. We've upgraded Türk Eximbank and PwC to Subscription Edition.

  • Administration and maintenance

    We take care of updates, monitoring and troubleshooting on a regular schedule. We maintain Multinet's SharePoint 2013 environment.

  • Custom apps

    We build workflows, apps and integrations on SharePoint, and adapt existing ones to the new version.

How do you upgrade to SharePoint Subscription Edition?

Microsoft supports direct upgrades to Subscription Edition only from SharePoint 2016 and 2019. If you're on 2013, you upgrade to 2016 first, then to Subscription Edition. The new environment needs current Windows Server and SQL Server versions, so every upgrade starts with an infrastructure review.

  1. Assess

    We map your environment, custom solutions and infrastructure needs.

  2. Prepare

    We build the new environment and rewrite or adapt incompatible solutions.

  3. Trial migration

    We move content to a test environment and validate it with your users.

  4. Go live and support

    We complete the move in a planned window and support the environment afterwards.

Microsoft support dates for SharePoint Server versions

Dates from Microsoft's lifecycle pages. Versions whose support has ended no longer receive security updates.

VersionMainstream supportExtended support
SharePoint Server 2013Ended 10 April 2018Ended 11 April 2023
SharePoint Server 2016Ended 13 July 2021Ended 14 July 2026
SharePoint Server 2019Ended 9 January 2024Ended 14 July 2026
SharePoint Server Subscription EditionModern Lifecycle PolicySupported as long as current updates are installed

SharePoint Online or Subscription Edition?

Both are supported ways forward from SharePoint 2016 and 2019. The right one depends on where your data must stay and how much you have customized.

TopicSharePoint OnlineSharePoint Server Subscription Edition
Where it runsMicrosoft's cloud, as part of Microsoft 365Your own servers or your own cloud infrastructure
UpdatesMicrosoft updates it continuouslyYou install the updates Microsoft releases
CustomizationSharePoint Framework and Power Platform; no server-side codeSharePoint Framework plus server-side solutions
LicensingPer-user Microsoft 365 or SharePoint Online subscriptionServer and client access licenses, with active Software Assurance or a subscription
InfrastructureNothing to run on your sideWindows Server, SQL Server and the farm are yours to run
Fits whenYou want no servers to run and new features firstData must stay on your premises, or you depend on server-side customizations

Organizations we've done this for

  • Türk Eximbank

    SharePoint 2019 administration and custom application development, then the upgrade from SharePoint 2019 to Subscription Edition.

  • PwC

    SharePoint 2016 administration and support for custom application development, followed by the upgrade to SharePoint Subscription Edition.

  • BİM

    Installation and configuration of a SharePoint Subscription Edition environment.

  • Multinet

    Maintenance of the SharePoint 2013 environment.

Frequently asked questions

When did Microsoft support for SharePoint 2016 and 2019 end?

On July 14, 2026. Since then, neither version receives security updates or technical support. Support for SharePoint 2013 ended on April 11, 2023.

Can we upgrade straight from SharePoint 2013 to Subscription Edition?

No. Microsoft supports direct upgrades to Subscription Edition only from 2016 and 2019. Content from 2013 moves to 2016 first, then to Subscription Edition.

Should we move to SharePoint Online instead of Subscription Edition?

It depends on your organization. If your data must stay on-premises or you rely on heavy custom solutions, Subscription Edition makes sense. If not, we'll look at SharePoint Online with you too.

Can people keep working during the upgrade?

We run the move in a planned window and agree the downtime with you in advance.

Can you also maintain our current environment?

Yes. We can maintain your current version before any upgrade, as we do for Multinet. If you prefer, we set it up as an SLA-backed managed service.

  • What is SharePoint?

    SharePoint is Microsoft's collaboration platform for sharing content and knowledge. Its cloud and on-premises editions, common uses and how it relates to Teams.

  • SharePoint 2016 and 2019 support has ended: what now?

    Microsoft ended support for SharePoint Server 2016 and 2019 on 14 July 2026. What that means, and the three ways forward for your environment.

Let's review your SharePoint environment together

In the intro call, we talk through your current version, your custom solutions and your goal.

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