<p>Étant donné que nous sommes sur le subreddit Office365, je suppose que vous vous connectez à Exchange Online ?</p>
<p>Si c’est le cas, vous devez mettre à jour votre Outlook vers une version prise en charge. Techniquement, Outlook 2016 n’est plus pris en charge pour la connexion à Exchange Online.</p>
<aside class="onebox allowlistedgeneric" data-onebox-src="https://learn.microsoft.com/en-us/microsoft-365-apps/end-of-support/microsoft-365-services-connectivity">
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<a href="https://learn.microsoft.com/en-us/microsoft-365-apps/end-of-support/microsoft-365-services-connectivity" target="_blank" rel="noopener">learn.microsoft.com</a>
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<h3><a href="https://learn.microsoft.com/en-us/microsoft-365-apps/end-of-support/microsoft-365-services-connectivity" target="_blank" rel="noopener">Office versions and connectivity to Microsoft 365 services - Microsoft 365 Apps</a></h3>
<p>Provides Office admins with information what versions of Office are supported for connecting to Microsoft 365 services and the implications of using older Office clients.</p>
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<p><a href="https://old.reddit.com/r/sysadmin/comments/14ls8cn/outlook_2016_exchange_online_eos_102023/" class="onebox" target="_blank" rel="noopener">https://old.reddit.com/r/sysadmin/comments/14ls8cn/outlook_2016_exchange_online_eos_102023/</a></p>
