You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

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

Découvrez comment l’application Photos pour Windows vous permet d’afficher des photos et des vidéos à partir de votre PC en même temps que celles de OneDrive et de les organiser par date, album ou dossier.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Windows 11 で電源とスリープの設定を調整するには、[Start>設定 > System > Power &バッテリ>画面とスリープ] を選択します。 画面: デバイスを使用していないときに画面をオフにする前に、デバイスが待機する時間を選択します。

You can block messages from specific email addresses or domains from reaching your inbox. When you add an email address or domain to your blocked senders list, Outlook automatically moves messages from that sender to the Junk Email folder.

Get an overview of SharePoint. Learn about sites, lists and libraries, permissions, content types and workflows. In addition, read about some of the social features in SharePoint.

Get the steps for setting up dual monitors on your Windows PC.

了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。 如何兑换礼品卡、Xbox 下载代码或令牌 Microsoft 和 Xbox 礼品卡以及下载代码和令牌的工作方式相同：兑换到 Microsoft 帐户后，可以在 ...

Learn how to reinstall Windows on your PC and how activation works after it's installed.