Home : File Types : BK2 File

.BK2 File Extension

File TypeWindows Indexing Service Data File

2.9 (11 Votes)
CategorySystem Files


This file is saved in a binary format, which requires a specific program to read its contents.

What is a BK2 file?

System file used by Microsoft Windows' Indexing Service component, which indexes file system information for searching; often created in the C:\System Volume Information\catalog.wci\ directory and stores data used for performing file system searches.

More Information

Similarly to .BK1 files, BK2 files are typically seen with the filename propstor.bk2.

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Programs that open BK2 files
Updated 5/16/2011

About BK2 Files

Our goal is to help you understand what a file with a *.bk2 suffix is and how to open it.

The Windows Indexing Service Data file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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