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Read the Microsoft Documentation
Outlook Email
Depending on which add-in you plan to use, there will be multiple options.
Office Add-in:
To grant apps access for specific users, please visit the Microsoft 365 admin center. Go to settings > Integrated apps.
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Now you need to select Jira for Outlook and can configure for which users/user group the app is supposed to be available.
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Read the Microsoft Documentationcheck our documentation.
COM Add-in:
If you want to distribute this add-in to your users manually, please follow this instructions.