Looking for logging into the Office 365 Quarantine 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 Quarantine site. After that you can login as usual with your login credentials.
https://docs.microsoft.com/ja-jp/office365/securitycompliance/find-and-release-quarantined-messages-as-a-user
https://docs.microsoft.com/ja-jp/office365/securitycompliance/manage-quarantined-messages-and-files
https://docs.microsoft.com/ja-jp/office365/securitycompliance/quarantine-email-messages
https://support.lesley.edu/support/solutions/articles/4000053841-how-to-check-your-quarantine-folder-for-blocked-emails
https://blog.kloud.com.au/2014/07/13/end-user-access-to-spam-quarantine-in-office-365/
https://www.reddit.com/r/Office365/comments/7ttej4/end_user_quarantine_checking/
https://guides.downstate.edu/c.php?g=654922&p=4870487
http://www.expta.com/2015/02/how-to-add-access-to-office-365-eop.html
https://kb.uccs.edu/display/KB/Releasing+Quarantined+Email%3A+Quarantine+Portal
https://www.curatrix.co.uk/security/add-quarantine-folder-outlook/
https://office365.uservoice.com/forums/289138-office-365-security-compliance/suggestions/7963194-office-365-quarantine-report-should-have-a-link-to
https://www.eui.eu/ServicesAndAdmin/ComputingService/EMail/SpamQuarantine
http://help.mail.colostate.edu/tt_o365_release-quarantine.aspx