Office 2019、Office 2016、または Office 2013 をダウンロードしてインストールまたは再インストールする
ただし、Microsoft 365 を再インストールするときに、既にプロダクト キーを取得していてアカウントに Microsoft 365 を関連付けている場合は、「 サインインして Office をダウンロードする 」セクションを参照してください。
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Add your other email accounts to Outlook.com - Microsoft Support
Learn to add email accounts such as Gmail and Yahoo! Mail to your Outlook.com app so you can view all of your mail from one location.
Applies To:
Outlook.com
Multiply and divide numbers in Excel - Microsoft Support
Create a simple formula to multiply and divide in an Excel spreadsheet. You can multiply two or more numbers in one cell or multiply and divide numbers using cell references. All formulas in Excel begin with an equal sign (=).
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Global Customer Service phone numbers - Microsoft Support
For Business users: To find a customer service phone number in your country, please click a region and find your country.
How to help keep your Microsoft account safe and secure
Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.
Applies To:
Microsoft account dashboard
Using product keys with Office - Microsoft Support
Common questions about Microsoft 365 product keys Check the sections below to find out if you need an Microsoft 365 product key and what to do with your key if you have one.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Device encryption in Windows - Microsoft Support
In the search box on the taskbar, type System Information, right-click System Information in the list of results, then select Run as administrator. Or you can select the Start button, and then under Windows Administrative Tools, select System Information. At the bottom of the System Information window, find Device Encryption Support.
如何登录到 Hotmail - Microsoft 支持
若要登录到 Hotmail，需要提供 Microsoft 帐户用户名和密码。. 登录. 提示: 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“ 是 ”（对于共享计算机，不建议这样做）。. 或者，选中“不再显示此内容”框，然后选择“ 否 ”，以便每次 ...
Applies To:
Outlook.com
Microsoft Support
Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.
Desinstalar o quitar aplicaciones y programas en Windows
Desinstalar desde el menú Inicio. Selecciona Inicio > Todas las aplicaciones y busca la aplicación en la lista que se muestra. Mantén presionada la aplicación (o haz clic con el botón derecho en ella) y luego selecciona Desinstalar. Desinstalar en Configuración. Selecciona Inicio > Configuración > Aplicaciones > Aplicaciones & funciones .