注意: 如果知道密码，但只想更改密码，请转到“account.microsoft.com 安全”选项卡，然后选择“更改我的密码”。. 如果知道用户名和密码但已停止工作，请阅读我的用户名和密码已停止工作。

Do. Don't. Do make the new password significantly different from previous passwords. Don't use the same password for different accounts. Do use a sentence or phrase converted into a string of initials, numbers, and symbols.

You can use the Outlook Address Book—a collection of address books or address lists created from your contact folders—to look up and select names, email addresses, and distribution lists when you address email messages.

Add guests to a group. When you add guests, also known as external users, to a group, you're granting them access to all information within the group.

不确定当前运行的是哪个版本，请参阅我使用的是哪个版本的 Outlook？. Windows 上的经典 Outlook. 如果你的帐户在新的 Outlook for Windows 中受支持，你将在经典 Outlook 的右上角看到一个切换开关，用于 试用新的 Outlook。 选择此切换将下载新应用，并允许切换到预览版。

提示: 如果你也检查“在我的手机上设置 Outlook Mobile”框，你将被带到一个网站，你可以在其中输入你的移动电话号码，你将收到下载 Outlook for iOS 或 Outlook for Android 的链接。安装 Outlook Mobile 是随时随地保持最新状态的好方法。

步驟 1：請移至 www.microsoftstore.com，並以購買 Office 時所用的 Microsoft 帳戶登入 (右上角)。. 步驟 2：登入之後，在右上角選取您的名稱，然後選取 [購買記錄]。. 步驟 3：找到買斷型購買的 Office 或個別的 Office App，然後選取 [安裝 Office] 來檢視您的產品金鑰 (這並不會真正安裝 Office)。

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Last reviewed December 2nd, 2022. Microsoft 365 Groups is a service that works with the Microsoft 365 tools you use already so you can collaborate with your teammates when writing documents, creating spreadsheets, working on project plans, scheduling meetings, or sending email.

Press the Start button on the taskbar, type settings, and then select Settings.; On Windows 10, select Update & Security.On Windows 11, select Windows Update.; On the Windows Update page, select Check for updates to see if any updates are available for your device.; Once the updates have downloaded, select Install now to start the installation.; Following installation, we recommend that you ...