Windows 10: Windows 10 21H1 preview update boosts File Explorer performance

The upcoming Windows 10 version 21H1 looks set to finally fix long-standing bugs in File Explorer. After the November 2019 Update, some users have been having issues with File Explorer’s integrated search platform, which was designed to offer a faster search experience with a new preview UI.

With Windows 10’s May 2020 Update, Microsoft addressed the search bar performance concerns and restored support for right-click. However, some users still complained that the File Explorer window freezes and “explorer.exe” results in high resources usage.

On 15th March, Microsoft started rolling out a new cumulative update for Windows 10 21H1 preview and the update has finally fixed a rare issue that might cause explorer.exe to consume high amounts of memory.

With Build 19043.899, Microsoft has also fixed an issue where the column header would get stuck on “Computing Filters” or do nothing when you click on filters, as shown in the screenshot below.



In our tests, we observed that the bug also exists in Windows 10 version 20H2/2004 and the column header would never actually display any filters.

Notably, this is experienced only when you do a search in File Explorer and click the arrow next to a column header to see a list of available filters for the search results.

In addition to better performance and improvements for search filters, Microsoft has also addressed an issue that might cause the File Explorer window to stop responding for several minutes. This issue is experienced only when you reconnect to a network and use mapped drives.

While most of the critical issues are now fixed, a rare bug where the File Explorer search box stops responding remains unpatched.

Beyond File Explorer changes, Windows 10 version 21H1 is expected to ship with new options for Windows Hello Settings and general quality improvements.

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Windows 10 Tweaks

Pressing “Windows+Pause Break” (it’s up there next to scroll lock) opens the “System” Window.

Windows 10: In the new version of Windows, Explorer has a section called Quick Access. This includes your frequent folders and recent files. Explorer defaults to opening this page when you open a new window. If you’d rather open the usual This PC, with links to your drives and library folders, follow these steps:

• Open a new Explorer window.
• Click View in the ribbon.
• Click Options.
• Under General, next to “Open File Explorer to:” choose “This PC.”
• Click OK

credit to Lifehacker.

 

"This file can't be previewed" problem in explorer

Hi Deborah,

For us to provide an accurate resolution, kindly elaborate the issue by answering the questions listed below:

• Since when have you been experiencing this issue?
• Were there any changes on your PC before this happened like software or updates installed?

For initial troubleshooting, we suggest that you follow the steps listed below:

• Open File Explorer.
• Access this link
  
  C:\Users\USERNAME\AppData\Local\Microsoft\Windows\Explorer
• Delete all the files.
• After deleting the files kindly try and see if there's a thumbnail preview of your files.

We're looking forward to your response.

 

preview/details pane in explorer

Hi,

Setting the Preview pane to show or hide in File Explorer will apply to all folders. If you wish to hide the Preview pane in File Explorer, we suggest that you follow the steps below:

• Open File Explorer.
• Tap on View tab.
• Click Preview Pane to view/hide it.

We would appreciate it if you could get back to us and provide us your feedback.