Outlook 2013 is not officially supported on Windows 11 as it is out of mainstream support. Microsoft 365 installations (including Office 2016 Retail, Office 2019 and Office 2021) will automatically keep themselves up-to-date but you can always check for updates manually.
UPDATING OUTLOOK ACCOUNT SETTINGS UPDATE
Of course it is always wise to stay current with the latest update releases, so make sure you set Windows Update to also include updates for other Microsoft applications. Officially, only Outlook 2016, Office 2019, Office 2021 (+ LTSC) and Microsoft 365 are supported to run on Windows 11. Is your Outlook version compatible with Windows 11? Other changes concerning Outlook and Windows 11.
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