To integrate Outlook with Aviso, log on to the Microsoft 365 admin center as an administrator.

1. Log in to Microsoft 365 admin center. Microsoft 365 admin center portal appears.
   
2. On the left-hand navigation pane, click Azure Active Directory. 
   App registration page appears.
   
3. On the App registration portal, click New registration.
   
4. On the new page named Register an application, enter the following information.

• In the Name field, enter a name.
  For example, you may enter Aviso Outlook Activity.
• Under Supported account types, select the following option- Account in this organizational directory only (Aviso Inc only - Single tenant)
•  Under Redirect URI (optional), perform the following:
  •  From the dropdown list, select Web.
  • In the URI field that appears next to the dropdown list, enter a redirect URI. In this case, you may enter: https://myapp.com/auth

5. Click Register.
   Aviso Outlook Activity app is now registered and displays the following information.

• Display name
• Application (client) ID
• Directory (tenant) ID
• Object ID
  
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  Your application is registered.