Windows 11 File Explorer Speed Boost: This PC Default & Preloading Guide

Microsoft has quietly introduced two significant performance optimizations for File Explorer in Windows 11 that address long-standing user complaints about sluggishness and slow loading times. While not prominently advertised, these features—setting "This PC" as the default startup location and enabling File Explorer preloading—represent Microsoft's acknowledgment of persistent performance issues and provide users with tangible ways to improve their file management experience. According to recent user reports and technical analysis, implementing both optimizations together can dramatically reduce File Explorer launch times and improve overall system responsiveness when working with files.

The Persistent Problem of File Explorer Performance

For years, Windows users have complained about File Explorer's performance, particularly in Windows 11 where the redesigned interface sometimes came at the cost of responsiveness. The default behavior of opening to "Quick Access"—which dynamically populates with frequently used folders and recent files—requires additional processing time as Windows scans and updates this view. This computational overhead becomes particularly noticeable on systems with slower storage drives or when accessing network locations. Recent community discussions on WindowsForum.com reveal that many users experience delays of 2-5 seconds when opening File Explorer, with some reporting even longer wait times on older hardware or systems with extensive file collections.

Search results confirm that File Explorer performance has been a consistent pain point across Windows 11 versions. Microsoft's own telemetry and user feedback channels have highlighted these issues, leading to the development of these behind-the-scenes optimizations. Unlike traditional performance fixes that might require registry edits or third-party tools, Microsoft has implemented these improvements as configurable options within the operating system itself, though they're not enabled by default.

Setting "This PC" as Default: The First Performance Boost

The first optimization involves changing File Explorer's default startup location from "Quick Access" to "This PC." This simple change eliminates the processing required to generate the dynamic Quick Access view, which includes scanning recent files, frequent folders, and potentially cloud-synced content. "This PC" presents a static, hierarchical view of system drives and common folders that loads significantly faster because it doesn't require real-time content aggregation.

To implement this change:
1. Open File Explorer
2. Click on the three-dot menu (ellipsis) in the toolbar
3. Select "Options" from the dropdown menu
4. In the "Open File Explorer to" dropdown, select "This PC"
5. Click "Apply" then "OK"

Technical analysis reveals why this makes a difference: When opening to Quick Access, Windows must query multiple data sources including the user's activity history, OneDrive sync status (if applicable), and potentially network locations. Each of these queries adds latency. "This PC," in contrast, primarily reads from the file system structure which is already cached in memory. Users on WindowsForum.com who have made this switch report immediate improvements, with one user noting: "Changing to This PC cut my File Explorer opening time from about 3 seconds to under 1 second on my SSD-equipped system."

Enabling File Explorer Preloading: The Second Optimization

The second, less-known optimization is File Explorer preloading, which works similarly to application preloading in other parts of Windows. When enabled, Windows loads essential File Explorer components into memory during system startup, reducing the time needed when a user actually opens File Explorer for the first time. This is particularly beneficial for users who frequently access files throughout their work sessions.

Enabling preloading requires accessing Windows Settings:
1. Open Settings (Windows key + I)
2. Navigate to System > Storage
3. Click on "Advanced storage settings"
4. Select "Optimize drives"
5. In the new window, check "File Explorer preloading"

According to Microsoft documentation and user testing, this feature loads core File Explorer libraries and prepares the shell experience in the background. The impact is most noticeable on the first File Explorer launch after booting the system. Subsequent launches are already faster due to caching, but the initial launch sees the most dramatic improvement. Community members report that combining both optimizations yields the best results, with some claiming up to 70% faster File Explorer launches.

Technical Underpinnings and System Impact

Search results and technical analysis reveal how these optimizations work under the hood. Setting "This PC" as default reduces the number of system calls and database queries required during launch. Instead of querying the Windows Search index, user activity databases, and potentially cloud services, File Explorer simply reads the drive structure from cached file system information.

File Explorer preloading utilizes Windows' memory management system to keep essential components resident in RAM. This includes:
- ExplorerFrame.dll and other core UI libraries
- Common file operation handlers
- Thumbnail generation components
- Network location resolution modules

The memory footprint is relatively small—typically under 50MB—making it suitable for systems with 8GB RAM or more. On systems with limited RAM, users might want to monitor memory usage after enabling this feature, though most modern Windows 11 systems should handle it without issue.

Real-World Performance Improvements

Based on community reports and technical testing, the performance improvements vary by system configuration but follow consistent patterns:

Users on WindowsForum.com have shared their experiences: "On my three-year-old laptop with a mechanical hard drive, File Explorer went from painfully slow to actually usable," reported one member. Another noted: "The difference is night and day on my Surface Pro when I'm working with large project folders."

Additional Performance Tweaks for File Explorer

While the two main optimizations provide the most significant gains, community members have identified additional tweaks that can further improve File Explorer performance:

• Disable unnecessary shell extensions: Third-party applications often add context menu items that slow down File Explorer. Tools like ShellExView can help identify and disable problematic extensions.
• Adjust folder view settings: Setting folders to use "General items" view rather than automatically detecting folder types can reduce processing overhead.
• Clear File Explorer history: Regularly clearing recent files and frequent folders from Quick Access (even when not using it as default) can improve overall system responsiveness.
• Update graphics drivers: Since Windows 11 uses more GPU acceleration for its interface, outdated graphics drivers can impact File Explorer performance.

Microsoft's Quiet Approach to Performance Fixes

The under-the-radar nature of these optimizations reflects Microsoft's evolving approach to Windows performance. Rather than announcing these as major features, they've been implemented as configurable options for users who seek better performance. This approach allows Microsoft to gather telemetry on adoption and effectiveness without committing to these as default behaviors for all users.

Search results indicate that Microsoft has been gradually improving File Explorer performance through cumulative updates. The Windows 11 2022 Update (22H2) included several behind-the-scenes improvements to file system operations, and subsequent monthly updates have continued refining performance. These two optimizations represent user-configurable switches that tap into these underlying improvements.

Potential Drawbacks and Considerations

While most users benefit from these optimizations, there are some considerations:

1. Quick Access functionality loss: Users who heavily rely on Quick Access's dynamic listing of recent files and frequent folders will lose this convenience when switching to "This PC" as default.
2. Memory usage: Preloading consumes additional RAM, though typically less than 50MB.
3. Boot time impact: Enabling preloading might slightly increase boot time as Windows loads additional components during startup.
4. Network location access: Users who frequently access network drives might find "This PC" less convenient than Quick Access, which can include pinned network locations.

Community feedback suggests that power users who organize files through directory structures prefer "This PC," while casual users who rely on recent files might prefer Quick Access despite the performance cost.

Future Outlook for File Explorer Performance

Microsoft continues to refine File Explorer, with recent insider builds testing additional performance improvements. Search results show that the company is working on:

• Reduced memory footprint for File Explorer processes
• Faster thumbnail generation for large folders
• Improved network location responsiveness
• Better integration with Windows Search for faster file finding

Rumors also suggest that Microsoft is developing a more significant File Explorer overhaul, potentially code-named "Gallery," that might address performance more fundamentally. However, these two current optimizations provide immediate relief without waiting for future updates.

Implementation Guide for Different User Types

Based on usage patterns, here are recommended configurations:

For Power Users/Professionals:
- Set "This PC" as default
- Enable File Explorer preloading
- Pin frequently used folders to Quick Access for quick navigation
- Use search functionality for finding recent files

For Casual Users:
- Keep Quick Access as default for convenience
- Still enable File Explorer preloading for faster launches
- Regularly clear File Explorer history to maintain performance

For Systems with Limited Resources:
- Set "This PC" as default (most beneficial for slower systems)
- Consider skipping preloading if RAM is severely constrained (under 4GB)
- Disable unnecessary visual effects in System Properties > Advanced > Performance Settings

Conclusion: A Simple Path to Better Performance

Microsoft's quiet introduction of these File Explorer optimizations represents a practical approach to addressing long-standing performance complaints. By making "This PC" the default startup location and offering File Explorer preloading, Windows 11 users now have straightforward tools to significantly improve their file management experience. The combination of both optimizations delivers the best results, particularly on systems with traditional hard drives or limited resources.

While not a complete solution to all File Explorer performance issues, these tweaks provide meaningful improvement with minimal configuration. As Microsoft continues to refine Windows 11's performance, these user-configurable options demonstrate a welcome responsiveness to community feedback—even if implemented quietly rather than as headline features. For users frustrated with File Explorer sluggishness, these two settings changes offer some of the easiest and most effective performance gains available in Windows 11 today.