但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

To add a folder to the folder pane, do the following: In the left pane of Mail, Contacts, Tasks, or Calendar, right-click where you want to add the folder, and then click New Folder.

Track your tasks in My Tasks. Planner offers a purpose-built My Tasks view, designed to centralize all the tasks relevant to you. My Tasks is organized into four distinct views, each serving a unique purpose: Private tasks: Private tasks is a place for you to quickly jot down tasks at the speed of thought.This is a place where you can create tasks that do not belong to a plan yet.

Note: The options listed in this wizard vary depending on the key selected.For example, since you cannot reassign the Windows key, the only option available is to disable it.

Expand the top level of the Outlook data file in the Outlook Navigation pane to see the subfolders in the file. Click each subfolder to see the contents.

In Outlook, you have the option to: Attach a file | Upload a locally saved file to your OneDrive | Insert a picture into the body of a message | Attach an email item | Solve problems with attachments. Attach a file to an email message in new Outlook. New Outlook keeps track of the files you have worked on recently and suggests them whenever you decide you want to attach a file to an email message.

Note: To create an email message using a keyboard shortcut, press Ctrl + Shift + M.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Argument. Description. start_date . Required. A date that represents the first, or starting date of a given period. Dates may be entered as text strings within quotation marks (for example, "2001/1/30"), as serial numbers (for example, 36921, which represents January 30, 2001, if you're using the 1900 date system), or as the results of other formulas or functions (for example, DATEVALUE("2001 ...

Vector form. The vector form of LOOKUP looks in a one-row or one-column range (known as a vector) for a value and returns a value from the same position in a second one-row or one-column range.. Syntax. LOOKUP(lookup_value, lookup_vector, [result_vector]) The LOOKUP function vector form syntax has the following arguments:. lookup_value Required.A value that LOOKUP searches for in the first vector.