Login to Azure portal https://portal.azure.com/#home
Navigate to Azure Directory https://portal.azure.com/#blade/Microsoft_AAD_IAM/ActiveDirectoryMenuBlade/Overview
Click on “App registrations”
Click on “New registration”
Choose the name : e.g : Jira Connector
Choose “Accounts in any organizational directory (Any Azure AD directory - Multitenant)”
Enter the redirect URI (Jira authentication handler endpoint) e.g: http://localhost:2990/jira/secure/AuthorizeAzure.jspa
Copy Client ID
Login to your Jira Server (already have Microsoft 365 for Jira app)
Navigate to System → MICROSOFT 365 → Azure app setting → Paste Client ID to ClientID field
Go back the Azure portal → Jira Connector → App Registrations → Create Client Secret
Copy Client Secret ID and paste to Client Secret field
Congrats that you are all set.