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Illinois State University

How to Keep your Multi-Factor Authentication Method Remembered for 60 Days

After enabling Multi-Factor Authentication and setting up your devices you will use to approve sign ins, you will be required to utilize multi-factor authentication when logging in to or using an Office 365 application from an off-campus location. Verification methods may be remembered up for up to 60 days, so you do not need to approve your sign in every time you access an Office 365 service. It is important to keep the following items in mind when using the option to remember your verification method:

  • Sign ins must be verified for each individual Office 365 application that you use. At each instance of a sign in on these applications, you will be asked to authenticate your log in. (Once for OneNote, once for Teams, once for Word, once for Outlook, etc.)
  • If you use an Office 365 application in one internet browser, then use a different Office 365 application in a different internet browser, you will be prompted for verification again - once for each browser.
  • You must check the "Don't ask again for 60 days" option at log in if you do not constantly want to be asked for authentication at log in. This feature will be reset if you clear your browser cache/history.

To remember your verification methods, do the following:

  1. Go to from an off-campus location and sign in using your ULID and password.
    • If you are on campus and would like to mark your device to be remembered, you may go to and manage your devices through the Multi-Factor Authentication section of the Account Management page.
  2. Answer the prompt asking if you would like to “Stay Signed In” (figure 1).

Figure 1:

  1. Before approving your sign in on your selected device, click the checkbox next to Don’t ask again for 60 days. You may proceed with approving your sign in (figure 2).

Figure 2:
NOTE: Be sure to mark the option to remember your device and approve your sign in before the maximum amount of time for approval ends, approximately 20 seconds for phone call verification and 55 seconds for mobile app verification. Failure to do so will result in the verification process needing to be repeated.

After approving your sign in, you will be directed on to the website or application you were attempting to access and your sign in will be remembered until the 60 days have been met or one of the actions listed in the beginning of this article were met.

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