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If you use Thunderbird as a client for Microsoft-owned accounts and have sign-in issues, especially recently, be sure to check our newly updated KB article on the topic. support.mozilla.org/en-US/kb/m…

We'll be keeping a close eye on these issues, and thanks to everyone who has both let us know about their problems and jumped in to help others. 😊 💙

#Thunderbird #Outlook #OAuth2

Microsoft OAuth Authentication and Thunderbird in 2024 | Thunderbird Help

Changes to OAuth authentication for Microsoft 365 (formerly Office 365; often abbreviated as “o365”) business and academic hosted email accounts and services.
support.mozilla.org
#thunderbird #outlook #oauth2
in reply to Thunderbird: Free Your Inbox

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davecykl

Having been through this process at work recently, it seems that a possible cause of problems could be #Thunderbird not being set up to allow cookies (which privacy conscious users naturally tend not to permit). It seems that some #OAuth2 login pages may need cookies to be allowed in order to work, so it is probably worth adding this to the support page as a suggestion to check this setting.
#thunderbird #oauth2
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