Looking for logging into the Windows 8.1 Office 365 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 Windows 8.1 Office 365 site. After that you can login as usual with your login credentials.
https://docs.microsoft.com/en-us/microsoft-365/business/set-up-windows-devices
https://www.microsoft.com/de-de/microsoft-365/business
https://support.office.com/de-de/article/verwenden-von-office-365-auf-ihrem-windows-rt-ger%C3%A4t-9579b493-0ff3-4695-8733-8b94507adfe4
https://support.office.com/en-us/article/set-up-your-office-365-or-exchange-based-email-in-windows-8-mail-874dabfe-1390-43db-baa2-6932b1cbb639
https://community.spiceworks.com/topic/411421-windows-8-1-setup-asks-for-microsoft-account-doesn-t-take-office-365-creds
https://uit.stanford.edu/service/office365/configure/outlook_windows
https://lts.lehigh.edu/services/stepwise-instructions/download-and-install-office-365-desktop-computer-or-laptop-windows-or
https://www.pcwelt.de/produkte/Microsoft-Office-2016-Office-365-Test-9821785.html
https://support.hp.com/de-de/document/c04764235
https://stackoverflow.com/questions/28737370/login-to-microsoft-accountfor-windows-8-using-office-365-azure-active-director
https://btbusiness.custhelp.com/app/answers/detail/a_id/18509/~/what-are-the-minimum-system-requirements-for-office-365%3F
http://www.brucebnews.com/2013/04/the-difference-between-a-microsoft-account-and-an-office-365-account/
https://itservicecentre.derby.ac.uk/hc/en-us/articles/201884571-How-to-Install-and-Activate-Microsoft-Office-365-apps-for-Windows-on-Your-PC-at-Home-For-Students-