You can use any phone number that can receive text messages; it doesn’t need to be associated with your account. We won't use or give out the phone number, and the code sent to it will expire after 10 minutes.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

将列表框添加到 Excel 工作表，用户可以从中选择值。 可通过让用户从组合框选择值，使数据输入更轻松。 组合框将文本框与列表框相结合来创建下拉列表。 可以添加表单控件或 ActiveX 控件组合框。

添加脚注文本. 下面是 PowerPoint 中的一个脚注示例。 请按照以下步骤添加你自己的脚注。 添加脚注后，你可以将脚注标记设为上标。. 将光标置于要添加脚注的位置，然后键入数字或符号，如“1”。

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To change notification settings for individual senders, under Get notifications from these senders, turn a notification sender either on or off—or select a sender's name and then turn on or turn off notification banners, lock screen privacy, turn notification sounds on or off, and set the priority of notifications.

提示: 您可以隨時預覽動畫效果。 在 [ 動畫] 索引標籤的 [ 預覽] 群組中，按兩下 [ 預覽]。 倒數之後，您可能會想要新增動畫，例如朗讀完成的文字框！若要這麼做，請插入文本框，選取文本框，移至 [動畫] > [進階動畫] > [進入] > 出現。然後在 [ 時間] 群組中，將 [ 開始] 設為 [在前一次之後]，將 ...

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快速访问 SmartArt 工具. 通过右键单击 SmartArt 图形或 SmartArt 图形中的形状，可以快速编辑 SmartArt 图形或形状。 若要快速更改 SmartArt 图形中的形状，请右键单击该形状以调用 快捷菜单 。

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