注意: 数据将从所有列中删除，即使未在此步骤中选择所有列。例如，如果选择 Column1 和 Column2，但不选择 Column3，则用于查找重复项的“键”是两列 1 & Column2 的值。 如果在这些列中找到了重复项，则将删除整个行，包括表或区域中的其他列。

If you’ve opened a file with a large data set in Excel, such as a delimited text (.txt) or comma separated (.csv) file, you might see the warning message, "This data set is too large for the Excel grid. If you save this workbook, you'll lose data that wasn't loaded." To avoid losing any data that wasn’t loaded, follow these instructions.

Tip: Outlook.com allows you to have multiple email addresses associated with a single account, and you can choose which email address you send mail from. Creating alternate addresses to use on websites or apps that force you to register can help keep your personal email address out of the hands of marketers and hackers.

The full path (including the file name) is too long. The path must contain fewer than 442 characters. Shorten the name of your file or the name of subfolders in OneDrive, or select a subfolder that's closer to the top-level folder, and then try to upload the file again.

如果你最近对设备硬件进行了更改并尝试升级到 Windows 11，则本文适用。 硬件更改可能会影响你的升级资格，不过你需要执行一些步骤才能在“设置”中查看更新的资格。

There are several ways to reduce your mailbox size. You can use the Mailbox Cleanup tool to view the size of your mailbox and individual folders. This tool can also help you search for older or very large messages that you might want to delete or move to an Outlook Data File (.pst).

6. After the new language is installed, navigate to Language and find it in your Preferred languages list. Select your language and choose Options to adjust other language settings, download features, etc. Speech settings and voices. If text-to-speech is available in your language, you can adjust voice settings to change reader voices and speeds when using audible features like Read Aloud in ...

如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。

If you've received any reactions in the previous day or so, you'll get a digest email that summarizes the reactions you've received. You can unsubscribe from the digest email if you'd prefer not to receive it.

对于经典 Outlook，如果要更改邮件列表的显示方式，可以使用以下选项： 更改邮件列表的视图以显示列. 若要添加和删除列，必须使用 列表视图。 “收件箱”的默认视图为 “压缩”，显示按对话分组的邮件。. 将视图切换到列表视图：