For most instances, clients will deploy the Outlook addin via the O365 centralised deployment, as this pushes the addin to all users and does not require each user to perform an install.
However, there are times when you may wish to deploy the addin to only a single user. perhaps during testing of the application and you don't want all users seeing a new button in Outlook.
To achieve this you need to manually add the plugin to Outlook for the target account. You will need either the Outlook plugin file, or the url of where to access it.
Step 1: Downloading the manifest
Addins are installed into Outlook using manifest files. Our can be accessed here: https://spaceconnect.blob.core.windows.net/prodrelease/OutlookWebAddIn.xml
Step 2a: From Web Outlook
Login to outlook.office.com and select calendar.
- Select "New Event".
- In the top banner of the new event, select the 3 dots . . . to reveal the "Get Add-ins" menu button.
- Click this option and the "Add-Ins for Outlook" should display. From here, select "My add-ins" from the left menu.
- Scroll to the bottom of the page and select "Add a custom add-in". Then follow the on-screen steps to upload the add-in.
Step 2b: From Local Outlook
You can follow the same process as above using Outlook Desktop, but the Get Add-Ins button should already display on the calendar view.