The sfcache file extension is used for Microsoft Windows ReadyBoost cache files. SFCACHE file is stored on flash memory device (USB flash, SD card, CompactFlash etc.) and is used to faster random disk reads that speed up a computer. ReadyBoost is available in Microsoft Windows Vista and Microsoft Windows 7.

Detailed description

Software that works with sfcache file extension

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SFCACHE file extension - ReadyBoost cache file

What is sfcache file? How to open sfcache files?

File type specification:

System file type icon System file type

sfcache file icon: sfcache filetype icon

The sfcache file extension is associated with ReadyBoost, a disk caching technology first included with Microsoft's Windows Vista operating system. It aims to make computers running Windows Vista more responsive by using flash memory on a USB 2.0 drive, SD card, CompactFlash, or other form of flash memory, in order to boost system performance.

To activate the ReadyBoost technology:

Rright click on flash memory in Windows Explorer → Properties → ReadyBoost

sfcache have system attribute, to remove them from flash memory devices disable the ReadyBoost option.

ReadyBoost speed up the random disk reads with performance that is typically 80-100 times faster than random reads from classic hard drives.  Windows Vista requires 256MB minimal capacity of flash memory and maximal capacity is 4GB. Widows 7 allows up maximal capacity to 256GB. Flash memory can be formatted with FAT, FAT32, NTFS and exFAT file systems.

The default software associated to sfcache file type:

ReadyBoost icon

Microsoft Corporation logoReadyBoost  Microsoft Windows software

Company or developer:
Microsoft Corporation

ReadyBoost is disk caching technology included in Windows Vista, Windows 7, Windows 8 and Windows 10. It It can use any form of flash memory such as a USB drive, SD card or CompactFlash to speed up random reading operations from hard disk.

Help how to open SFCACHE files:

These files are not mean to be opened directly, they are just data caches.

How to convert file with extension SFCACHE:

As far as we know, this .sfcache file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .sfcache file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open sfcache file, edit sfcache file, convert sfcache file, view sfcache file, play sfcache file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting sfcache files.

  • Create sfcache file
  • Others sfcache file

Programs that can create sfcache file - ReadyBoost cache file

Click on the link to get more information about ReadyBoost for create sfcache file action.

Microsoft Windows:

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