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Office 365 Push API Connector: Technical Requirements
Office 365 Push API Connector: Technical Requirements

Technical requirements verification: Office 365 API Push Connector

Maxime Dery avatar
Written by Maxime Dery
Updated over a week ago

To benefit from your signatures on Outlook Web APP (OWA), you need to set up the Letsignit "Push API Connector", which will push your signatures into the Outlook Online signature library.

In order to configure the "Push API Connector" in your environment, here follows all the technical prerequisites for its implementation:

PS: We advise you to do everything with the same email address.

Requirements vérifications

  • Letsignit Administrator

To access the Office 365 "Push API Connector", the user must be an administrator of the Letsignit platform.

To check this, go to the "Team" tab, and verify that the user has the Administrator role on the platform.

  • Administration role verification on the Office 365 / Azure side

The selected account must have an active license (License able to access the Exchange Admin Center).

  • Have an active Exchange license

In the "Licenses and Apps" tab, check in his roles that the user has an active license able to access the Exchange Administration Center.

  • Apply the "ApplicationImpersonation" role in Exchange Online

Go to the Exchange Online Administration Center.

In the "Administrator Roles" section, create a new group, name it and assign it the role "ApplicationImpersonation".

Specials Cases

There are 2 specials cases concerning the "Push API connector" configuration:


Depending on the configuration, it may block the setting of the "Push API Connector". We advise you to disable it before and then re-enable it.

Licences administered by providers:

If you are in this case, you may not have the necessary rights to activate the "Push API Connector", as your licence provider has the highest administration rights.


Once these 3 pre-requisites have been verified, you must wait 1 hour before doing

the configuration, from the Integrations tab of your Letsignit platform:

Congratulations! Your configuration for Outlook Web App (OWA) is deployed!

All you have to do is wait about an hour for Letsignit to push your signatures in your signature library.

Note: To check if the browser you are using is compatible, please consult this article.

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