Looking for logging into the Outlook App Failed site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Outlook App Failed site. After that you can login as usual with your login credentials.
https://techcommunity.microsoft.com/t5/Outlook/Outlook-for-Android-Login-Error/td-p/190122
https://answers.microsoft.com/en-us/outlook_com/forum/all/outlookcom-app-for-android-unable-to-login/b2340542-3419-4f42-a786-7056a88831c8
https://support.office.com/en-us/article/troubleshoot-outlook-mobile-issues-a264ef01-9c88-48fb-9285-7017e4f31f02
https://outlook.uservoice.com/forums/293349-outlook-for-ios/suggestions/12923598-bypass-account-login-error-screen
https://help.zoho.com/portal/community/topic/activesync-won-t-login-android-outlook-app
https://discussions.apple.com/thread/7477881
https://kb.iu.edu/d/agwq
https://servicedesk.scu.edu.au/hc/en-us/articles/202833894-Why-can-t-I-login-to-my-email-
https://community.cisco.com/t5/cisco-support-via-mobile/outlook-authentication-problem-on-android/td-p/2903086
https://www.thewindowsclub.com/outlook-cannot-connect-gmail
https://cs.mailstore.com/index.php?/Knowledgebase/Article/View/154/6/login-fails-in-outlook-add-in-or-in-web-access
https://yasoon.zendesk.com/hc/en-us/articles/206793490-Login-Error-Single-Sign-On-Active
https://community.spiceworks.com/topic/2106989-outlook-for-android-setup-fails-with-an-error-occurred