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Version requirements for the Outlook mobile Add-in

As of February 2024, Outlook Mobile now supports the Signature 365 add-in on both Android and iOS devices.

There are a number of pre-requisites to this being enabled and visible within Outlook Mobile, these are detailed below.


Native mail clients such as Apple Mail or Gmail cannot support the Signature 365 add-in, you will need to user server-side injection for these clients

You will need to ensure that specific versions or later of Outlook Mobile and the Signature 365 add-in are in use in order to use this feature.

Outlook for iOS - v4.240.2.0

Outlook for Android - v4.2402

Signature 365 Add-in - v1.8

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