The "Send to Kindle" feature in Microsoft Word will retire starting February 9, 2026, and be fully removed by March 9, 2026. It will no longer be available on Word desktop or web, but users can still upload documents via Amazon's Send to Kindle website. No admin action is needed.
Applies to: Microsoft 365 for the web · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).