Forum Discussion
Unable to view admin portal in Office 365. Skip to the main content"
You should still be able to get to the individual service admin portals though using these links.
Exchange Online - https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Foutlook.office365.com%2Fecp&data=02%7C01%7Cpranalid%40microsoft.com%7Cc45466402e91466362d108d5b5b2be09%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636614701685830934&sdata=KQYeD0%2By16ONAFbgX3LtUhrIbfCSAT6SsmOFCb03dH0%3D&reserved=0
SCC - https://na01.safelinks.protection.outlook.com/?url=Https%3A%2F%2Fprotection.office.com&data=02%7C01%7Cpranalid%40microsoft.com%7Cc45466402e91466362d108d5b5b2be09%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636614701685840949&sdata=h3pKFOBnY1c%2B9nkkVjlYqb34A42noCNBZQpSviHtuxo%3D&reserved=0
Azure - https://na01.safelinks.protection.outlook.com/?url=Https%3A%2F%2FPortal.azure.com&data=02%7C01%7Cpranalid%40microsoft.com%7Cc45466402e91466362d108d5b5b2be09%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636614701685840949&sdata=uJK%2BAz30%2B3AvvuChfmLiRhXPFtKNcAzhAKfwCOerwps%3D&reserved=0
SharePoint Online - https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdomain-admin.sharepoint.com&data=02%7C01%7Cjamie_luce%40gensler.com%7Cc99e72b7d23e4c28f66908d5b5b20d6f%7C94a74758f2ff413c9f705725701b8d02%7C0%7C0%7C636614698719220726&sdata=9vPlTSJ7l%2F0Qo%2F%2FwjU3M6l6LgwfvvBjSLxTFwsNFwFw%3D&reserved=0-admin.sharepoint.com (you need to replace domain with the name of your tenant before this link will work)
Can't find one that works for Skype though.