Looking for logging into the Office 2015 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 2015 site. After that you can login as usual with your login credentials.
https://account.microsoft.com/account/office
https://products.office.com/de-de/download-back-up-restore-microsoft-office-products
https://support.office.com/en-us/article/sign-in-to-office-b9582171-fd1f-4284-9846-bdd72bb28426
https://www.office.com/
https://setup.office.com/
https://support.office.com/de-de/article/herunterladen-und-installieren-bzw-erneutes-installieren-von-office-365-oder-office-2019-auf-einem-pc-oder-mac-4414eaaf-0478-48be-9c42-23adc4716658
https://kb.iu.edu/d/oxvi
https://cit.hs-duesseldorf.de/services/o365
http://www.kurtsoeser.at/2015/12/07/mit-office-365-am-windows-10-pc-anmelden/
https://answers.uillinois.edu/page.php?id=47881
https://studentaid.ed.gov/sa/fafsa
https://online.superoffice.com/
https://www.lexware.de/