HomeHow to check the Outlook Add-in version number

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To confirm the Add-in version for the organization:

Run the following Powershell commands to list the most recently deployed Outlook Add-in version:

1. Install the O365 Centralized Add-In Deployment Module for Windows Powershell:
   

   Install-Module O365CentralizedAddInDeployment -Scope CurrentUser
   

2. Connect to the Add-in service:
   

   Connect-OrganizationAddInService
   

   You will need to log into Microsoft when prompted - use your Exchange Admin or Global Admin credentials.
   

   Get-OrganizationAddIn | Format-List -Property DisplayName,DefaultStateForUser,Scopes,Version,ProductId
   

To confirm the Add-in version for a single user:

Run the following Powershell commands to display the actual Outlook Add-in version deployed to a specific user:

1. Confirm the Add-in version for a user:
   

   Install-Module ExchangeOnlineManagement -Scope CurrentUser
   

2. Connect to Exchange Online:
   

   Connect-ExchangeOnline
   

   You will need to log into Microsoft when prompted - use your Exchange Admin or Global Admin credentials.
   

3. Verify the version. Replace <username> with the username of the user, for whom you wish to verify the Add-in version.
   

   Get-App -Identity *<username>*\efc30400-2ac5-48b7-8c9b-c0fd5f266be2 | select DisplayName,Enabled,AppVersion,Scope,Type | ft
   

To confirm the Add-in version for all users:

This script allows you to verify the actual version of the Add-in for every user in the organization.

1. To get a report of version numbers for all the mailboxes within your company - download the Powershell script from here: https://raw.githubusercontent.com/exclaimerltd/Internal-Support-Scripts/master/GetAddInForAllUsers.ps1