The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

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Training: Get up and running quick. Note: If you already had an account signed in to OneDrive and you want to add another account, click the OneDrive cloud icon up in the Menu bar, click the three dots to open the menu, and select Preferences.Click the Account tab, select Add an Account to start OneDrive Setup, and then sign in.

Tasks stores tasks that you create or that are sent to you, and also messages that you’ve flagged. When you view your tasks, the default view is Flagged Items and Tasks.You can change that by selecting Tasks in the folder list to the left. For more information about tasks in Outlook Web App, go to Tasks Overview.. Create a new task by selecting New task.

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

解决安装 Windows SP1 时遇到的问题. 如果你尝试安装 SP1 并看到指示安装未成功的错误消息，这可能是因为用于安装更新的 Windows 维护服务商店出现问题，或者是因为你的防病毒软件阻止安装更新。

Example. Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter.

重要: ほとんどのアカウントは、新しい Outlook でサポートされています。これには、組織の管理者によって割り当てられた Outlook.com アカウントや Hotmail.com アカウント、職場または学校アカウント、Gmail、Yahoo!、iCloud などのサードパーティアカウント、IMAP 経由で接続するその他のサードパーティ ...

Note: In earlier versions of Outlook, IMAP accounts also used an Outlook Data File (.pst).In Outlook 2016 and Outlook for Microsoft 365, IMAP accounts use Offline Outlook Data Files (.ost). You can also use an Outlook Data File (.pst) to backup or export items from any type of email account.

To upgrade to Windows 11, you need enough space on your hard drive for the installation to take place. To view how much hard drive space is available on your computer, select File Explorer on the taskbar (known as Windows Explorer in Windows 7) or press Windows logo key + E. Then select Computer or This PC and look under Hard Disk Drives or under Devices and drives.