Check your network connection status - Microsoft Support
Windows 10 lets you quickly check your network connection status. And if you're having trouble with your connection, you can run the Network troubleshooter to try and fix it.
Open and use a shared mailbox in Outlook - Microsoft Support
Learn how to open a shared mailbox in Outlook. Shared mailboxes let a group of users view and send email, and share a calender, and open a contact list from a common mailbox.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, New Outlook for Windows
Install mobile apps and the Amazon Appstore on Windows
Learn how to use and install mobile apps on your Windows 11 PC with the Windows Subsystem for Android™.
Seamlessly transfer content between your devices
Learn how to use drag and drop to transfer content between your Android device and PC.
Contact us | Xbox Support
Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.
Get Windows Media Player - Microsoft Support
Learn how to get Windows Media Player 12 for Windows 10, Windows 8.1, and Windows 7.
PC 正常性チェック アプリの使用方法 - Microsoft サポート
PC 正常性チェック アプリは、お使いの Windows デバイスの正常性に関する最新の情報を提供して、デバイスのパフォーマンス向上のための対処や、パフォーマンス問題のトラブルシューティングに役立ちます。
Battery saving tips for Windows - Microsoft Support
Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.
新しいMicrosoft Edgeに更新する - Microsoft サポート
デバイスに対する管理者特権がない場合はどうなりますか? 新しい Microsoft Edge に完全にアップグレードするには、管理者アカウントを使用してデバイスにサインインする必要があります。
COUNTIF function - Microsoft Support
How to use the COUNTIF function in Excel to count the number of cells that meet values you set.
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