Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

Learn how to find the serial number on your Surface so you can register your product or request service.

The Planner app in Microsoft Teams brings together all your tasks and plans across the Microsoft 365 ecosystem in a single convenient location. It helps you manage tasks more efficiently for individual plans and team initiatives, as well as larger scale projects that are aligned to goals and key strategic objectives.

Learn what you can do if you're not receiving account aign-in verification codes.

After you have installed a new version of Excel, you may want to know how you can continue to work with workbooks that are created in an earlier version of Excel, how you can keep these workbooks accessible for users who do not have the current version of Excel installed, and how the differences between the versions affect the way that you work.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

[設定] の [Windows Update] ページにアクセスするための推奨オプションなど、Windows 11 をインストールする方法をご覧ください。

To download the offline installer for Internet Explorer 11, choose your language and system below.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Use Microsoft Edge settings to save user name and password information and save time when signing in to websites.