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Microsoft 365 (Outlook for Windows) - Outlook can't set up a new profile using Exchange Autodiscover

When you try to set up a new mail account for Outlook by using the Add New Account Wizard, your Outlook profile may not automatically set up. Additionally, you may receive the following error message: An encrypted connection to your mail services is not available. This problem will occur for a variety of reasons. This document will go over some solutions to this issue.

Recommended method

Run Office 365 Support and Recovery Assistant

Install and run Microsoft Office 365 Support and Recovery Assistant. You can download this tool by following this link: Microsoft Support and Recovery Assistant.

This tool will automatically diagnose any issues with your Office 365 account and provide you with relevant fixes.

Additional methods

Upgrade to the latest version of Outlook/Office

Install/upgrade to Office 365: Microsoft 365 - Download/Install Microsoft 365. Important: you may need to uninstall previous version of Office before installing Office 365 version.

Windows Update

Update your Windows operating system (make sure to include other Microsoft software within the update process): Windows - Using Windows Update.

Reset/Remove your account credentials from within your OS

Remove Microsoft account credentials:

Recreate your local OST file
  1. Open Outlook and click File near the top-left corner.
  2. On this page, click Account Settings then click Account Settings from the context menu.
  3. This will open a new window, click the Data Files tab near the top.
  4. On this tab, select an account and click Open File Location... which will open the file location in File Explorer.
  5. Close Outlook, but keep the File Explorer window open.
  6. Delete the OST (.ost) file and close File Explorer.
  7. Restart Outlook.
Create a new profile

First, remove your current profile: Microsoft 365 (Outlook for Windows) - Remove an Outlook Profile. Then, add a new profile: Microsoft 365 (Outlook for Windows) - Configure Outlook.

Waiting a period of time or retrying

In some cases, waiting a period of time (30-60 minutes) or continuing to retry configuration may work.

Keywordsmicrosoft ms office365 o365 m365 microsoft 365 autodiscover encrypted connection mail server services not available online mailbox automatically error 2016 2019 proplus   Doc ID66516
OwnerO365 S.GroupMicrosoft 365
Created2016-08-29 15:16:33Updated2023-02-02 09:22:57
SitesDoIT Help Desk, Microsoft 365
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