.BK2 File Extension

File Type:
Windows Indexing Service Data File

Having trouble opening .bk2 extension? Don't panic! This page explains what bk2 files are as well as suggests programs you may use to open bk2 files. You can download these programs through this page.

What is a BK2 file?

Bk2 file extension has Windows Indexing Service Data file type, developed by Microsoft, which is associated with the "system files" category.

These are system files for Indexing Service used by Microsoft Windows. They contain information needed for file searches within the system. Using BK2 files improves the search speed. These files work similar to .BK1 files

To learn how you can open the given file, read the information below.

bk2 file icon
File Type:
Windows Indexing Service Data File
System Files

How to open BK2 file?

Double click the bk2 file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .bk2 extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the bk2 extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the bk2 file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open BK2 files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the bk2 file as well. Download Universal File Viewer for your OS.

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