This page provides phone numbers of Microsoft customer service.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

PC に Office 2013 または Office for Mac 2011 をインストールする方法について説明します。

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.

Learn how to install Office 2013 on your PC or Office for Mac 2011.

By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN.

Learn about Windows 11 minimum system requirements and how to assess your upgrade eligibility.

Microsoft 365、POP、IMAP、または Microsoft Exchange ベースのメール アカウントを利用できるように Outlook を設定する方法について説明します。

Support for home products. Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience. Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft ...