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パスワードを変更またはリセットする - Microsoft サポート
重要: Microsoft アカウント、Windows オペレーティング システム、およびその他の Microsoft 製品には、お客様の情報をセキュリティで保護するためのパスワードが含まれています。この記事では、パスワードを忘れた場合にリセットまたは回復するために使用できるオプションをいくつか示します。
Export emails, contacts, and calendar items to Outlook using a .pst ...
Export Outlook email, contacts, and calendar to move them to another computer or so that you can make a backup of your information.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin
Manage accounts and organizations in Microsoft Teams
Using the new Microsoft Teams, you can now be logged into multiple work, school, and personal accounts on the Windows desktop app. Easily switch back and forth between organizations, including guest organizations. See and change your notification settings for your various accounts.
Applies To: Microsoft Teams
Enable and disable your touchscreen in Windows - Microsoft Support
Enable and disable your touchscreen in Windows 10. In the search box on the taskbar, type device manager, then select Device Manager.
SUMIF function - Microsoft Support
How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.
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
Install a printer in Windows - Microsoft Support
Windows 11 supports most printers, so you probably won't have to install special printer software. Additional printer drivers and support might be available if you update Windows. To install or add a network, wireless, or Bluetooth printer.
Create an Outlook Data File (.pst) to save your information
Create Outlook Data Files (.pst) on your computer to save Outlook items by account, project, or to archive older items.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business
Windows 11 のアップグレードの準備 - Microsoft サポート
Windows 11 をインストールする. 特定の PC で Windows 11 アップグレードがテストおよび検証されると、Windows Update はインストールの準備ができたことを示します。
Recover lost files on Windows 10 - Microsoft Support
Learn how to restore files that have been permanently deleted and are no longer in the recycle bin on Windows 10.
Activar Windows - Soporte técnico de Microsoft
Obtenga información sobre cómo activar Windows con una clave de producto o una licencia digital, comprobar el estado de activación y vincular su cuenta de Microsoft.