Microsoft アカウントにサインインするためのエイリアスを使用した Microsoft アカウントのメール アドレスまたは電話番号を変更する方法について説明します。

Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

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

The new Outlook for Windows brings the latest features, intelligent assisted capabilities and a new modern and simplified design to your Outlook app.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Learn how to connect your Windows PC to external monitors and adjust the display settings.

How to use the FILTER function in Excel to filter a range of data based on criteria you define.

Learn about Windows service packs and download the latest updates for Windows 10 and Windows 8.1

Explore subscription benefits, browse training courses, learn how to secure your device, and more.