Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Improve security, evaluate and mitigate the risks of running macros, and see how to enable or disable macros for Microsoft 365.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.

Somos conscientes de que, a veces, las compras de productos de juegos digitales no salen según lo planeado. Cuando esto suceda, te ayudaremos a solicitar un reembolso.

プロダクト キーまたはデジタル ライセンスを使用して Windows をライセンス認証し、ライセンス認証の状態を確認し、Microsoft アカウントをリンクする方法について説明します。

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.

Saiba como atualizar drivers no Windows usando o Gerenciador de Dispositivos para atualizar ou reinstalar um driver.

When you connect a printer or scanner to your PC or add a new printer or all-in-one device to your home network, you can usually start printing right away.

从 Outlook for Windows 导出联系人时， 联系人的副本 将保存到 CSV 文件或其他文件类型。 稍后可使用该文件将联系人导入到其他电子邮件帐户。 如果你未使用Outlook for Windows ，检查你使用的是哪个 Outlook 版本，然后选择以下选项之一来导出联系人：