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Last Updated: March 18, 2024


Users no longer see the Unified Voicemail form in Outlook Desktop. Instead, they see a raw MP3 attachment.


Unified Voicemail was retired from Exchange Online. For more information, please go to Retiring Unified Messaging in Exchange Online.
With this deprecation, Voicemail is now handled natively, and a Registry key has been created to enable voicemail forms in Outlook Desktop 64-bit clients only. This registry key was added starting in Outlook Desktop build 14226.10000+. 

Users who are using 64-bit Outlook Desktop may set the following registry key to enable native voicemail forms:


Users who are still using 32-bit Outlook Desktop and wish to use voicemail forms will need to install 64-bit Outlook and set the registry key.

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