New Update Outlook personal email accounts will need more than just usernames and passwords

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Microsoft has announced some major changes for people who use personal accounts to sign into their Outlook email accounts. Starting on September 16, Outlook personal accounts will no longer support signing into them with what the company calls Basic Authentication, which is the old-fashioned user name and password method.

In a blog post, Microsoft says on that date, Outlook users including people who still get their emails via Hotmail.com and Live.com must now access their accounts on either a supported mail or calendar app, or use the Outlook.com website. These all use what the company calls Modern Authentication methods. Other apps such as the current Outlook apps for Windows, Mac, iOS, and Android, along with Apple Mail and Thunderbird also support Modern Authentication.
 
Yes, Microsoft is indeed enhancing security by phasing out Basic Authentication for Outlook personal accounts starting September 16. Users will need to use Modern Authentication methods, which can be accessed via supported mail or calendar apps, or the Outlook.com website. This also applies to Hotmail.com and Live.com users.
 
Microsoft sends "Final Notice" before you lose Outlook access on third-party apps today
Microsoft has been sending out a "Final Notice" email to several users recently. The mail in question, with the subject "Final notice - you may lose access to some of your third-party mail and calendar apps" is meant to serve as a warning to such users who are using third-party mail and calendar apps to access Outlook email. Microsoft wants users to move from Basic Authentication (usernames and passwords) to Modern (OAuth 2.0 token-based) Authentication and apps that don't support Modern Auth will stop working with Outlook starting today.

The company announced the change earlier this year on June 11th stating:
Starting September 16th, Microsoft personal email account users (e.g. Outlook.com, Hotmail.com, Live.com) will need to move to Modern Authentication methods in their email application. These will be necessary for all Outlook users.

To help keep Outlook personal email accounts secure, starting September 16, 2024, Microsoft will no longer support Basic Auth, the method in which a person provides only their username and password to sign into their account.

As of September 16, 2024, Outlook will require that all those with a Microsoft email account use a mail or calendar app or the Outlook.com website which supports modern auth, such as the latest versions of Outlook, Apple Mail, or Thunderbird.
 
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