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Microsoft SharePoint Blog
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SharePoint Add-In retirement in Microsoft 365

BertJansen's avatar
BertJansen
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Nov 27, 2023
  Microsoft strives to deliver utmost value to our customers through modern, optimized, secure solutions in this newly evolved world focused on digital transformation. As part of this evolut...
Updated Dec 09, 2023
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Steve Beaugé's avatar
Steve Beaugé
Copper Contributor
Nov 28, 2023

M1980RER are sp addin, and use ACS as auth method. So I guess it won't work after the end of life.

We are in the same situation. Webhooks are slows, do not support "*-ing" events and relies only on app only auth (no delegated permission). We made the transition in our product, but the result is quite ugly because of the missing parts.