SFCACHE File Extension
ReadyBoost Cache Format
- File Type sfcache
- Developer Microsoft
- Popularity
- Application ReadyBoost
- Category System Files
What is a SFCACHE file?
The SFCACHE extension is related to ReadyBoost Cache Format and is classified in the System Files category, which contains 251 files.
The ReadyBoost Cache Format (SFCACHE) was developed by Microsoft, which created file format and 242 programs to work with them.
SFCACHE files are supported by Windows. To create a SFCACHE file, you can choose from 5 programs such as ReadyBoost, Microsoft Windows 10 and Microsoft Windows 8.
Programs that support SFCACHE files
How to open a SFCACHE file?
If you cannot open a SFCACHE file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
ReadyBoost, Microsoft Windows 10 and Microsoft Windows 8 stand out as the preferred programs to manage SFCACHE files effectively. To install the current version of ReadyBoost, go directly to the official Microsoft website. The universal package for all operating systems is available there.
After successful installation, your operating system should seamlessly handle SFCACHE files via ReadyBoost.
Set ReadyBoost as the default SFCACHE program
Change Default Program on Mac
- Right click or Control + left click on the desired SFCACHE file;
- Choose "Open in Application" and click "Other";
- Go to the lower section of the window, where you will find the "Enable" menu. By default, it is set to "Recommended Programs";
- Select "All Programs" from this menu and proceed to search for ReadyBoost. Check the box next to "Always open in app" to set it as the default option.
Set default programs for Windows
- Start by right-clicking on your SFCACHE file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
- In the pop-up window, select the ReadyBoost application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening SFCACHE files.
Solve problems with SFCACHE files
SFCACHE files may present some challenges, but most can be easily addressed with minor software tweaks. See the troubleshooting tips below for guidance.
What are the ways to check if my SFCACHE file is damaged?
SFCACHE system files that have become corrupted may display one or more of the following symptoms:
- The file does not respond or shows errors when opening it;
- The file exhibits poor performance during editing operations in ReadyBoost;
- The file stops responding or freezes in ReadyBoost or other programs;
- Unexplained SFCACHE file size inflation;
- Actions performed on the file result in the appearance of error notifications;
Why does ReadyBoost crash or shut down frequently?
Insufficient updates for Microsoft products can cause ReadyBoost to crash. Be sure to regularly install the latest software updates.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.
Is there any specific software or utility that can help repair a damaged SFCACHE file?
Use a recovery program to open the damaged SFCACHE file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish, allowing automatic repair of damaged system files.
How to edit a SFCACHE file?
To make changes to SFCACHE files, you need specialized software that allows both opening and editing the system files. Online SFCACHE editors offer fewer capabilities than applications optimized for ReadyBoost Cache Format.
Best SFCACHE Editor Software in 2026
With the mentioned criteria in mind, we have assembled a selection of SFCACHE editors.
| SFCACHE Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| ReadyBoost | Microsoft | Windows | 4.5 out of 5 (40 reviews) |