- Go to PWA Settings
- Select Open out-of-scope URLs in the default browser (can break some web apps).
The Force links into a new window option should be selected automatically
To work properly at loading of Outlook, you need to allow some domains
In the Domains always allowed to be opened in the PWA browser add:
outlook.office.com,res.cdn.office.net,eu-office.events.data.microsoft.com,clients.config.office.net