July 14th marks the final critical SharePoint deadline of 2026. If you’re running SharePoint Server 2016 or 2019 on your own hardware, all support ends. No security patches, no updates, nothing. This isn’t just an IT problem – it’s a business risk you can’t ignore.
April 2nd brings the second critical SharePoint deadline of 2026. Add-ins – those extra tools and integrations that extend SharePoint’s capabilities – stop working completely. If your invoicing, client portals, or workflow tools rely on add-ins, they’ll break overnight. Here’s what’s happening.
March 15th marks the first critical SharePoint deadline of 2026. Custom scripts – the code making your SharePoint do clever things – stop working permanently. No extensions, no workarounds this time. If you’ve got custom forms, automated calculations, or special workflows, you need to act now.
Microsoft’s making major changes to SharePoint in 2026 that could seriously disrupt your business. Three critical deadlines are coming – March, April, and July – and most UK SMEs either haven’t heard about them or think they won’t be affected. Here’s what you need to know before it’s too late.