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Office 365: Installing the Outlook Add-in

This configuration needs to be completed by an Office 365 Administrator

The Office 365 Add-in allows approvers to approve/decline leave requests from their Outlook mailbox. This process will eliminate approvers having to log on to Appogee Leave to manage and approve leave requests.   

Administrator installation

Office 365 Administrators can install the Appogee Leave for Office application to all users using the steps below:

From the 9 dot menu in Outlook, choose Admin Center, then Settings then Add-Ins.  Now choose +Deploy a new add-in. Click Next, then choose Upload Custom Apps. and select I have a URL for the manifest file.  The URL is

It is important to note that you must enter the full string, including "https://" even though the prompt box displays it.

Click Upload then you should see a confirmation screen to confirm "Your add-in has been deployed." and a note that "Outlook‎ add-ins can take up to 12 hours after deployment to become available."

User installation

Open an email and click the 3 dots on the far right side. 

At the bottom, click Get Add-ins.

Go to My add-ins and then install from the URL in the Custom Add-ins section. 

Select 'I have a URL for the manifest file' - the URL is

Once this is done, you can click on Install and this will then be available to all your users. Click on the pencil icon and you can modify the settings to force the add-in to be mandatory for all users.

Note that it may take up to a couple of hours before the add-in appears for your users.

Please note: 

  • It can take up to 24 hours for the deployment to occur when integrating O365 with your Appogee HR account.

  • If you are using Microsoft Outlook on the web using a Safari browser, you will need to uncheck the setting "Prevent cross-site tracking" for the Add-in to work successfully.

The Add-in does not show the 'new request' buttons if you use the Outlook Desktop client. Unfortunately, we are unable to support the lightweight browser that Microsoft uses for the Desktop application, for full functionality of the add-in, please use the web version of Outlook. 

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