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Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Learn
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Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Learn
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Microsoft will soon block Outlook 2010 and earlier from connecting to Microsoft 365 Exchange servers - MSPoweruser
![Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Learn Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement - Exchange | Microsoft Learn](https://learn.microsoft.com/en-us/exchange/troubleshoot/exchangeserver/client-connectivity/media/outlook-connection-issue-caused-by-rpc-encryption-requirement/select-exchange-node-2013.png)