Customize the Office365 login Portal page
When you log in to Office365, you all have a unified UI style, so can you customize the company background and display the company logo? This part is not configured in Office365 Admin Center, but that doesn't mean it can't be done this way.
Let's first see what the default login Portal page looks like.
So how do we change the UI interface?
First, we log in to Admin Center and then select Azure AD Management Center.
Choose a company brand
Click configure
Configure according to actual needs
For example, the following configuration (pictures must be uploaded in strict accordance with the requirements):
Then click Save.
Then log in again to see the effect.