If these steps didn't work, or you have other account sign in issues, use our Sign-in helper tool. Microsoft account security info & verification codes. How to help keep your Microsoft account safe and secure. Change or reset your Windows password. Accessing the account of someone who has died

Learn how to access the Control Panel in Windows for managing your system settings and programs.

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。

開始する前に、Windows 11 PC が Bluetooth をサポートしていることを確認します。 確認方法の詳細については、「Windows の Bluetooth の問題を解決する」を参照してください。 Bluetooth 機能を備えていないデバイスの追加についてのヘルプは、「Windows PC にデバイスを追加する」を参照してください。

If your PC is running slowly, the following suggestions might help speed things up. The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t.

The information below doesn't apply to these Office versions or Microsoft 365 subscriptions. Microsoft personal account Work or school account On the Microsoft account dashboard, select Services & subscriptions to view all Microsoft products associated with this account.

Notes: The formatting options that appear in the Formatting tab depend on the data you have selected. If your selection contains only text, then the available options are Text, Duplicate, Unique, Equal To, and Clear.When the selection contains only numbers, or both text and numbers, then the options are Data Bars, Colors, Icon Sets, Greater, Top 10%, and Clear.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

Chargers that don't have a standard USB Type-C connector might use a proprietary, nonstandard connector that your PC (or phone) doesn’t support. The USB device might not work. Try connecting it to a PC. Try these solutions. Possible cause. Make sure your Windows 10 phone has all the latest updates for Windows.

Note: If you don't see the Favorites icon in your browser bar, select Settings and more > Settings > Customize appearance, and under Customize toolbar > Select which buttons to show on the toolbar, turn on the Favorites button toggle.