What is the Microsoft 365 portal site? Explanation of login methods and functions


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Microsoft 365 is a subscription that allows you to use various Microsoft services, including Office apps, for a fixed price.

Since Microsoft 365 is a cloud-based service, all procedures from contract to setup can be done online.

In this article, we will explain the portal site where you can check your Microsoft 365 contract information and set up your account.

It is also the entrance to each service of Microsoft 365, so let’s learn how to use it.

What is a Microsoft 365 portal site?

“Microsoft 365 Office Home” is a portal site for managing Microsoft 365 services.

Applications such as Word and Excel can be started individually by installing them on your computer, so if you mainly use Office applications, you may not have many opportunities to access the portal.

Microsoft 365 Office Home is used when you want to use web apps or change account settings .

The login information required to sign in is a Microsoft account for personal licenses and a work account for corporate licenses.

The URL and sign-in method are the same, but please note that the functions and menu configurations that can be used are different for individual licenses and corporate licenses.

How to sign in

  1. Access the Microsoft 365 portal (https://portal.office.com/) or Office.com (https://www.office.com/) in your web browser.
  2. Sign in with your Microsoft account or work account.

What you can do on the Microsoft 365 portal site

See what you can do with Microsoft 365 Office Home.

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Check recent file history

When you sign in to the portal site, you can see recently accessed files on OneDrive.

When you want to open a recently used file again, you can find it from the portal quick access without opening OneDrive.

Install Office apps

Clicking on the button labeled “Install Office” will download the Office app installer to your device.

If you want to install Office on a new computer, first open the Microsoft 365 portal site and get the installer.

Accessing the web app

Click the App Launcher in the upper left corner of the screen to see icons for the main Office apps, and click to open the web version of the app.

If you can’t find the app you’re looking for, click “All apps” to see all available apps.

Manage Accounts and Licenses

Access your account’s management page from the account manager on the top right of the screen.

Personal license users can purchase, renew, cancel Microsoft 365 licenses, set payment options, etc. here.

The details of these functions will be explained in detail in the next chapter.

Note that corporate licenses do not allow users to access contract management or payment information.

What you can do from the account screen when you log into the portal with your work account depends on your organization’s settings .

[Personal] List of functions on the account page

Introduces the functions available for personal license users from the account page of the portal site.

To go to your account page, click on your user icon in the top right corner of the screen and select “Microsoft Account”.

You can open each menu from the tabs at the top.

your information

This is a function for setting basic information of the user.

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You can change the icon image, set the display name, register your email address and phone number, set the language, etc.


This is an item for setting privacy settings.

You can manage activity information such as location information, browsing history, and search history, and get help on how to set privacy settings for each app.


This menu is for security settings such as checking the sign-in history and changing passwords.

If you want to use Microsoft 365 more securely, such as adding authentication information or using WindowsDefender to enhance security, check the settings from here.


You will be transferred to the page of Microsoft’s point return program “Microsoft Rewards”.

With Microsoft Rewards, you can earn points by searching on Bing.com and shopping on the Microsoft Store.

You need to sign up to use it, so please register if you are interested.

Payment and billing information

This menu is for registering purchase history and payment information in your account.

You can also change your billing information here.

Services and subscriptions

You can check or change the contract of the purchased service or subscription.

If you want to change your plan or payment method, please do so from this menu.

You can also register your product key or code here.


The Devices menu displays information about devices linked to your account.

If you lose your device, you can use Find My Device to locate it and locate it.

[Corporate] Management of organization license is “Management Center”

Corporate users are managed by the organization’s system administrator, so there are limits to what each user can set themselves .

The portal site for corporate license settings and management is the “Microsoft 365 Management Center”.

If you access the Microsoft 365 portal (https://portal.office.com/) or Office.com (https://www.office.com/) with an account that has administrator privileges, you will see “Manage center is displayed.

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Here’s an example of what you can do with the Microsoft 365 admin center.

  • User management
  • Subscription purchase and payment management
  • License allocation
  • Access authority setting
  • Password reset
  • Checking service health
  • Access the app-specific admin center

Article Summary

We introduced the functions of the Microsoft 365 portal site.

  • The portal site that users can access is “Microsoft 365 Office Home”
  • The portal site for administrators is “Microsoft 365 Management Center”

The portal site can be accessed from any device, so it’s a good idea to open it when you want to install it on a new device or review your settings.