List of Portals used in Azure World

Azure

Main Azure Portal

https://portal.azure.com

Preview Portal

https://preview.portal.azure.com

Azure AD Portal

https://aad.portal.azure.com

Microsoft 365 Device Management

https://devicemanagement.portal.azure.com

EA Portal

https://ea.azure.com

BizSpark Credits

https://www.microsoftazuresponsorships.com

PAYG Subscriptions

https://account.azure.com/Subscriptions

List of Azure DevOps Organisations

https://aex.dev.azure.com

Formerly https://app.vssps.visualstudio.com

Reosurce Explorer

https://resources.azure.com/

Cloud Shell Only

https://shell.azure.com

Old Portal (Killed)

https://manage.windowsazure.com

Multi-factor Authentication

https://account.activedirectory.windowsazure.com/usermanagement/multifactorverification.aspx

Cloud App Security Portal

https://portal.cloudappsecurity.com

Office 365

Main Landing Page (Not admin)

https://portal.office.com

Now redirects to https://www.office.com

Admin Portal

https://admin.microsoft.com

o365 Subscriptions View

https://portal.office.com/commerce/manage.aspx?empty=1

Apps View

https://myapps.microsoft.com/

Redirects to https://account.activedirectory.windowsazure.com/r#/applications

Power BI

https://app.powerbi.com/admin-portal/

Other useful Microsoft Links

Visual Studio Subscriptions Administration

https://manage.visualstudio.com

My Visual Studio & MSDN Benefits

https://my.visualstudio.com

Microsoft Next Gen Volume Licensing

https://businessaccount.microsoft.com

MSDN Portal

https://msdn.microsoft.com