Learn how to change or reset your Windows password if you've forgotten or lost it.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Learn how to optimize gaming performance in Windows 11 by disabling memory integrity and Virtual Machine Platform, and understand the associated risks.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Outlook のルールを使用して、メール メッセージをフォルダーに自動的に移動する方法、メッセージにフォローアップのフラグを設定する方法、メッセージに応答する方法、カスタム ルールを作成する方法。

Es empfiehlt sich, ein Wiederherstellungslaufwerk zu erstellen. Auf diese Weise können Sie das Wiederherstellungslaufwerk verwenden, um Windows 11 neu zu installieren, wenn auf Ihrem PC jemals ein größeres Problem auftritt, z. B. hardwarefehler.

重要: Microsoft帳戶、Windows 作業系統及其他Microsoft產品都包含密碼以協助保護您的資訊。本文提供一些選項，您可以在忘記密碼時用來重設或復原密碼。 請注意，如果這些選項無法運作， Microsoft支援無法協助您擷取或規避遺失或忘記的密碼。

Create, edit and share documents with Microsoft Word online. Learn how to use Word for the web to create, open, and rename documents with ease.

Multiple IF functions can be nested together to allow for multiple criteria. The Excel IF function statement allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if True or False.

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。