.CFS File Overview

File Extension: CFS
File Type Description: Lucene Compound Index File
File Type Developer: Apache HTTP Project Management Committee
Primary Associated Software: Apache Lucene
Primary Software Developer: Apache Software Foundation

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What is File Extension CFS?

CFS files are a type of Lucene Compound Index File developed for Apache Lucene by Apache Software Foundation. Our internal web tracking data indicates that Windows 10 operating system users, and those living in China, are the most likely to use Lucene Compound Index File files. Most of these users are running the Google Chrome web browser.

Top CFS User Languages

Top CFS File User Browsers

Desktop Friendly?


Mobile Friendly?


Most Popular CFS File Countries

Top User Operating Systems

Windows 7 Windows 10 Windows 8.1 Windows XP

Associated Operating Systems


Other File Types Related to CFS Files

Extension File Type Developer File Category File Type Description
.PAR Siemens PLM Software CAD Files Solid Edge Part File
.RPT SAP Data Files Crystal Reports File
.FRQ Open Source Data Files Bibexcel File
.XLSM Microsoft Corporation Spreadsheet Files Microsoft Excel Open XML Macro-Enabled Spreadsheet
.Y Microsoft Corporation Raster Image Files Subsampled Raw YUV Image
.OTT Apache Software Foundation Text Files OpenDocument Document Template
.HTACCESS Apache Software Foundation Web Files Apache HTACCESS File
.PHTML Opera Software Web Files PHP Web Page
.SCRIPT Unknown Developer Executable Files Generic Script File
.ASHX Microsoft Corporation Web Files ASP.NET Web Handler File

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Compatible with Windows 10, 8, 7, Vista, XP and 2000

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