在日常使用 Mac 的过程中，我们经常会用到 Finder（访达）来管理文件。默认情况下，Finder 的列表模式能够方便地让我们查看文件的大小，所以当想要知晓文件大小时，不少人会直接切换到列表模式进行查看。然而，系统出于维持最佳性能的考量，默认并不会显示文件夹的大小。接下来，就为大家详细介绍如何在列表模式中显示文件夹的大小。

具体操作步骤如下

  1. 打开目标文件夹：首先，打开 Finder（访达），并导航至你想要查看文件夹大小的具体文件夹。
  2. 调出查看显示选项：方式一，在屏幕顶部的菜单栏中依次选择 “显示”>“查看显示选项”；方式二，更为便捷的是，直接按下快捷键 Command + J。
  3. 勾选计算所有大小：此时，会弹出一个窗口，在窗口众多选项中，找到并勾选 “计算所有大小” 这一选项。
  4. 关闭弹出窗口：完成勾选后，关闭该弹出窗口。

经过以上操作，在当前 Finder 窗口所打开的文件夹中，我们就能看到文件夹的实际大小了。
特别提示：需要注意的是，此设置并非全局通用，仅针对当前设置的特定文件夹有效。若要在其他文件夹中显示大小，需按照上述步骤重新进行设置。
In daily use of Mac, we often use Finder to manage files. By default, the list view in Finder allows us to easily view the size of files. Therefore, when we want to know the size of a file, many people directly switch to the list view. However, for the sake of maintaining the optimal system performance, the size of folders is not displayed by default. Next, we will introduce in detail how to display the size of folders in the list view.

The specific operation steps are as follows:

  1. Open the target folder: First, open Finder and navigate to the specific folder for which you want to view the folder size.
  2. Bring up the View Display Options: Option 1: In the menu bar at the top of the screen, select “View” > “Show View Options” in sequence. Option 2: More conveniently, directly press the shortcut key Command + J.
  3. Check “Calculate all sizes”: At this point, a window will pop up. Among the numerous options in the window, find and check the option “Calculate all sizes”.
  4. Close the pop – up window: After checking, close this pop – up window.

 

After the above operations, in the folder opened in the current Finder window, we can see the actual size of the folder.

 

Special reminder: It should be noted that this setting is not global. It is only valid for the specific folder where the setting is made. If you want to display the size in other folders, you need to repeat the above steps for each folder.
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