如果您在Windows 11/10文件资源管理器^{(File Explorer)}中更改了导航窗格宽度，并且现在希望将其恢复为默认宽度，那么您可以在注册表编辑器^{(Registry Editor)}的帮助下将资源管理器导航^{(Explorer Navigation)}窗格宽度重置为默认值。

文件资源管理器^{(File Explorer)}中的导航窗格显示快速访问、这台电脑（包括您的驱动器）、库文件夹（如音乐^(Music)、视频^(Videos)、图片^(Pictures)等）和网络^(Network)驱动器。默认情况下，Windows显示设置的宽度，即使文件夹或分区名称因此而隐藏，也不会更改。如果您之前更改了宽度并且现在想要恢复默认宽度，有两种方法可以做到这一点。

首先，您可以单击导航面板的边缘并将其向左或向右拖动。但是，如果您非常清楚地记住宽度，这个技巧就会奏效。第二种方法是使用注册表编辑器^{(Registry Editor)}删除引用导航窗格当前宽度的值。

^{(Reset Explorer)}将资源管理器导航窗格宽度重置为默认值

要将文件资源管理器^{(File Explorer)}导航窗格宽度重置为默认值，请按照下列步骤操作 -

1. 按 Win+R 打开运行提示。
2. 键入regedit并点击 Enter 按钮。
3. ^(Click)在UAC提示中单击YES按钮。
4. 导航到注册表编辑器中的GlobalSettings\Sizer路径。
5. 删除PageSpaceControlSizer二进制值。
6. 重新启动文件资源管理器。

在继续之前，您应该先备份注册表文件^{(backup Registry files)}并创建系统还原点。

现在，同时按Win+R按钮，键入regedit并按Enter按钮。它将向您显示UAC提示，您需要在其中单击“是”^(YES)按钮。

之后，您的 PC 应打开注册表编辑器。接下来，导航到以下路径-

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Modules\GlobalSettings\Sizer

在这里，您可以找到一个名为PageSpaceControlSizer的^{(PageSpaceControlSizer)}REG_BINARY值。

您需要删除此值。为此，右键单击它并选择删除^(Delete)选项。

之后，单击是^(Yes)按钮以确认删除。

现在，您需要重新启动 Windows Explorer^{(restart Windows Explorer)}。您现在应该会看到导航面板的默认宽度。

供您参考，每当您打开文件资源管理器时都会自动创建^{(File Explorer)}PageSpaceControlSizer值，并且当用户手动更改宽度时数据会更改。

就这样！

Reset File Explorer navigation pane width to default in Windows 11/10

If you changed the navigation pane width in File Explorer on Windows 11/10, аnd you want to now gеt it back to the defаult width, then you can reset the Explorer Navigation pane width to defaυlt with the help the Registry Editor.

The navigation pane in File Explorer shows Quick Access, This PC (including your drives), Library folders (such as Music, Videos, Pictures, etc.), and Network drives. By default, Windows shows a set width, which doesn’t get changed even if a folder or partition name is hiding because of it. If you altered the width earlier and you now want to restore the default width, there are two ways to do it.

First, you can click the edge of the navigation panel and drag it towards the left or right side. However, this trick works if you remember the width preciously. The second way is to use the Registry Editor to delete a value citing the current width of the navigation pane.

Reset Explorer navigation pane width to default

To reset File Explorer navigation pane width to default, follow these steps-

1. Press Win+R to open Run prompt.
2. Type regedit and hit the Enter button.
3. Click the YES button in the UAC prompt.
4. Navigate to the GlobalSettings\Sizer path in Registry Editor.
5. Delete the PageSpaceControlSizer binary value.
6. Restart File Explorer.

Before going forward, you should backup Registry files and create a System Restore point first.

Now, press Win+R buttons together, type regedit and hit the Enter button. It will show you the UAC prompt where you need to click the YES button.

Following that, your PC should open Registry Editor. Next, navigate to the following path-

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Modules\GlobalSettings\Sizer

Here you can find a REG_BINARY value called PageSpaceControlSizer.

You need to delete this value. For that, right-click on it and select the Delete option.

Following that, click the Yes button to confirm the removal.

Now, you need to restart Windows Explorer. You should see the default width of the navigation panel now.

For your information, the PageSpaceControlSizer value gets created automatically whenever you open the File Explorer and the data changes when users change the width manually.

That’s all!

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