File Extension Library


.CI File Extension

  • Developer by: Microsoft
  • Category: System Files
  • Format: Binary

What are .CI files and how to open them?

Can't open .CI file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .CI file.

What is a .CI file extension?

.CI file extension is created by Microsoft. .CI has been classified as System Files. The format of .CI file is Binary.

.CI is Windows Content Indexer Catalog File

Operating system search file used by Windows 2000 and later; saves an index of search information that Windows uses to display results for file system searches; may be large in file size due to the amount of search information.

CI files commonly be found in user or system directories within a folder called \catalog.wci\. They shouldn't be manually opened or edited, since they are system level files.

CI files are created by the Windows Search service (formerly Indexing Service), which is the program C:\Windows\System32\cisvc.exe. This service can be turned off using the Windows Features window, which can be located by typing "Windows Search" in the Windows Start menu search box. However, once turned off, Windows Search is no longer available in the Windows Explorer or from the Start menu.

List of all softwares that can open the Windows Content Indexer Catalog File
Windows
Microsoft Windows
File Type 2 PolySpace Preprocessed Code File
Developer by: The MathWorks Category: Developer Files Format: Text

Compiler file used by PolySpace, a code verification tool used for performing static analysis on C++ and Ada source code; contains a copy of the original file being compiled, except headers, macros, and other constructs are fully expanded in the file.

The PolySpace compiler uses CI files to report specific compilation error information to the developer.

List of all softwares that can open the PolySpace Preprocessed Code File
Windows
The MathWorks PolySpace

How to fix problems with .CI files

  1. You need to update the application that you normally use to open .CI files. Only the latest version of the software supports the current .CI file format
  2. You need to check the .CI file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)