Looking for logging into the Office 365 Organizational Account 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 Office 365 Organizational Account site. After that you can login as usual with your login credentials.
https://support.office.com/en-us/article/sign-in-to-office-b9582171-fd1f-4284-9846-bdd72bb28426
https://www.office.com/?omkt=cs-cz
https://www.office.com/?ui=nl%2DNL&rs=NL
https://answers.microsoft.com/en-us/msoffice/forum/msoffice_account/unable-to-login-to-my-account-in-office-365/fda39efb-3fc2-4a08-911a-2c760eaf72cb
https://docs.microsoft.com/en-us/office365/admin/admin-overview/about-the-admin-center
https://docs.microsoft.com/en-us/office365/admin/setup/customize-sign-in-page
https://btbusiness.custhelp.com/app/answers/detail/a_id/40392/~/how-do-i-log-in-to-the-office-365-admin-centre%3F
https://outlook.office365.com/owa/?realm=tcsedsystem.edu
https://outlook.office365.com/owa/unibz.it
https://outlook.office365.com/owa/?realm=regents.ac.uk&vd=office365
http://www.brucebnews.com/2013/04/the-difference-between-a-microsoft-account-and-an-office-365-account/
https://oit.colorado.edu/services/messaging-collaboration/microsoft-office-365
https://office365.uservoice.com/forums/264636-general/suggestions/17337631-bug-fix-login-experience-with-multiple-office-365