Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

在 Excel 单元格中插入静态日期或时间. 工作表中的静态值是重新计算或打开工作表时不会改变的值。 当按下如 Ctrl+; 的组合键以将当前日期插入单元格时，Excel 获取当前日期的“快照”，然后将日期插入单元格中。

After you create your drop-down list, make sure it works the way you want. For example, you might want to check to see if Change the column width and row height to show all your entries.. If the list of entries for your drop-down list is on another worksheet and you want to prevent users from seeing it or making changes, consider hiding and protecting that worksheet.

Note: The scan creates a backup file during the repair process.To change the default name or location of this backup file, in the Enter name of backup file box, enter a new name, or choose Browse to select the file you want to use. You may need to run the tool several times in order to repair your Outlook Data File.

注意: 如果你使用“手动目录”样式，则 Word 不会使用你的标题创建目录，并且无法自动更新它。相反，Word 会使用占位符文本创建目录外观，以便你可以将每个条目手动输入到目录中。 若要更新手动目录，请参阅 更新目录。

Tip: If you're using a wireless display adapter, connect to an HDMI port on newer TVs, then wirelessly connect your PC to it.After connecting your wireless display adapter to your TV, go to your Windows 11 PC, press Windows logo key + K to open Cast, then select your wireless display adapter.

Outlook.com でサポートを受けるには、ここ をクリックするか、メニュー バーの [ヘルプ] を選択してクエリを入力します。 セルフヘルプで問題が解決しない場合は、[さらにヘルプが必要ですか?] まで下にスクロールし、[はい] を選択します。 Outlook.com でお問い合わせいただくには、サインイン ...

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.

若要使工作表的某一区域在滚动到工作表的另一区域时仍保持可见，请转到“视图”选项卡，在此选项卡中，可以“冻结窗格”，将特定的行和列锁定到位，也可以“拆分”窗格，创建同一工作表的单独窗口。

Better together tip: Manage drafts from Outlook for iOS and Outlook for Android. If you use Outlook for iOS or Outlook for Android, your drafts will automatically synchronize to your mobile device.From there, you can finish messages you've started at your computer, easily add attachments from your photos or camera, or use Office Lens to capture notes from a whiteboard in a meeting.