Saiba como instalar o Office 2013 no PC ou no Office para Mac 2011.

Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。 若要在 Outlook.com 中取得支援，請按一下這裡或選取功能表列上的 [說明]，然後輸入您的查詢。如果自助無法解決問題，請向下捲動至 [仍然需要協助嗎?

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。 Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。

Saiba como instalar, reinstalar ou ativar o Microsoft 365 ou o Office 2019 em um PC ou Mac.

Learn how to activate Windows using an internet connection, automated system, or live support advocate.

Learn how to use VLOOKUP, INDEX, or MATCH to search for data in Excel. Get a quick refresher and more tips from Microsoft Support.

You can upgrade from Windows 10 to Windows 11 if your device meets hardware specifications, and if the Windows 11 release has been made available to your device.

Learn about the differences between a Microsoft 365 subscription, Office 2016, and the free Office Online apps.