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Thunderbird doesn't support two-step verification for Office 365 hosted email

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  • 1 has this problem
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  • Last reply by Matt

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Hi, Our corporate email are hosted on Microsoft Office 365, worked fine until the company decide to implement two-step verification. after login with email and password, Outlook 2016 open new window asking for verification code sent by SMS to user mobile. in contrast, Thunderbird stay ask for valid password without asking for verification code! seems Thunderbird doesn't apply this technology yet. Any help?

Thanks in advance AL.

Hi, Our corporate email are hosted on Microsoft Office 365, worked fine until the company decide to implement two-step verification. after login with email and password, Outlook 2016 open new window asking for verification code sent by SMS to user mobile. in contrast, Thunderbird stay ask for valid password without asking for verification code! seems Thunderbird doesn't apply this technology yet. Any help? Thanks in advance AL.

Modified by alisne

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Thunderbird will never work with that sort of verification. The accepted method, using an application password is the method Thunderbird uses. It is also the method I would expect outlook to use.. But Microsoft have never been all that interested in making standards complaint products.

Office265 supports application passwords. See https://support.office.com/en-us/article/create-an-app-password-for-office-365-3e7c860f-bda4-4441-a618-b53953ee1183