![](/static/6d96c2b96db3423da3f34a51a0bdb288/ae26b/add-in-retirement-preview.webp)
SharePoint Add-In retirement in Microsoft 365. Does it affect Plumsail tools?
Microsoft has announced the retirement of the SharePoint Add-In model by April 2026. This news only affects two Plumsail products: Forms for Classic UI and Lookup for Classic UI.