Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Select Home > Get Add-ins. Search for Emoji, choose an add-in, and select Add. Follow any additional instructions to learn how to use it. Need more help? Want more options? Discover Community. Explore subscription benefits, browse training courses, learn how to secure your device, and more.

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

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

When you check Outlook Desktop for the Teams Meeting Add-in by going to File > Options > Add-ins, then select Go next to COM Add-ins, the Teams Meeting Add-in is missing.

Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.