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Check the Xbox services, games, and apps for any service outages.

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account. The Xbox account is used for game streaming access, in-game purchases, achievements, and friends.

提示: 如果要绕过“文件”>“打开”并始终使用“打开”对话框，请执行此操作：选择“文件 > 选项 > 保存”，然后选择“打开或保存文件时不显示 Backstage”框检查。然后，关闭所有打开的 Office 应用程序再重新打开。 请注意，此更改仅影响按 Ctrl+O 访问“打开文件”对话框时看到的内容。

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Tips: If members are in North America, you can add them using their mobile number. Members can only be part of one family group. A member will need to leave the current family group to join a new one.

返回页首. 使用 subtotal 函数对列表或 excel 表格列中的单元格进行计数. 使用 subtotal 函数对 excel 表格或单元格区域中的值数进行计数。 如果表或区域包含隐藏的单元格，则可以使用 subtotal 来包含或排除这些隐藏单元格，这是 sum 和 subtotal 函数之间的最大区别。

The OR function returns TRUE if any of its arguments evaluate to TRUE, and returns FALSE if all of its arguments evaluate to FALSE.. One common use for the OR function is to expand the usefulness of other functions that perform logical tests. For example, the IF function performs a logical test and then returns one value if the test evaluates to TRUE and another value if the test evaluates to ...

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