Microsoft Ending Basic Authentication

Microsoft will end support for Basic Authentication on Saturday, Oct. 1, 2022. Basic Authentication is an older, less secure method of accessing your email and calendar. Going forward, Microsoft will only support Modern Authentication.

IMPORTANT: This security improvement means some email/calendar clients — especially older ones — may fail to connect to Office 365 as of Oct. 1, 2022. See fixes.


IT Services recommends email/calendar clients that use Modern Authentication, such as:

How do I fix my email/calendar if I can't connect as of Oct. 1?

Use Outlook on the Web as an immediate workaround. Then select your device type to fix. 

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Windows

Using Outlook? Find out which Outlook version you have.

EMAIL/CALENDAR CLIENT

FIX REQUIRED

Outlook 2010 (or older) and Outlook 2013

Outlook 2016 or newer for Windows

macOS

EMAIL/CALENDAR CLIENT

FIX REQUIRED

Outlook 2016 or newer for macOS

  • If macOS Outlook does not work as of Oct. 1, 2022, go to Outlook > Preferences > Accounts or Tools > Accounts. The Accounts window appears. In the left column, make sure your Marquette account is selected. Click the minus sign to remove the Marquette account. Confirm sign-out by clicking Sign Out.
  • After account removal is complete, create a new Outlook account setup with Modern Authentication. Refrain from using the secondary, advanced setup instructions.

Apple Mail for macOS

If Apple Mail does not work as of Oct. 1, 2022, go to Mail > Accounts. The Internet Accounts window appears. In the left column, make sure your Marquette account is selected. Click the minus sign to remove the Marquette account setup.

Next, see Apple Mail setup instructions from Microsoft. Refrain from using the secondary "POP or IMAP" instructions.

Mobile Apps

EMAIL/CALENDAR CLIENT

FIX REQUIRED

Outlook mobile app

If the Outlook mobile app does not work as of Oct. 1, 2022, delete the Outlook app from your mobile device. Reinstall and set up the Outlook app for iOS or the Outlook app for Android.

Native email and calendar
apps for Android or iOS

If these apps do not work as of Oct. 1, 2022, switch to the Outlook app for iOS or the Outlook app for Android.

 

If you have questions or need assistance, contact the IT Services Help Desk at (414) 288-7799.