Opening a WCI File

The WCI file type is primarily associated with Microsoft Indexing Service.

WCI	File extension: WCI
	File type:	Catalog File

What is a WCI file?

WCI files mostly belong to Microsoft Indexing Service by Microsoft Corporation. (CATALOG.WCI)

How to open a WCI file

You need a suitable software like Microsoft Indexing Service to open a WCI file. You need a suitable software like Microsoft Indexing Service from Microsoft Corporation to open a WCI file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your WCI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a WCI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online WCI Text Viewer

Choose your .wci file to analyze

or drag and drop it here

Online File Viewer

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Unable to Open a .WCI File? Quick Solutions:

WCI files can come from different programs and aren't universally openable.

Identify the Source: These files are typically generated by Windows systems running the Microsoft Indexing Service for search catalogs, or by legacy web indexing tools.
Check the Header: Open the file in a hex viewer to inspect the first bytes.
- A binary signature like D0 CF 11 E0 indicates a Microsoft OLE file.
- Readable text or XML suggests a custom configuration file.
Use the Original Software: The original program is usually required. Try Microsoft Windows (Indexing Service) or ask the sender for the specific software used.
Use this Webpage: Drag and drop your .WCI file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for WCI File Extension

Related files:

wcl, 002, fpc, clg, xmc

a wci Catalog File is a special file format by Microsoft Corporation and should only be edited and saved with the appropriate software.

How to solve problems with WCI files

Associate the WCI file extension with the correct application.
Update your software that should actually open catalog files. Because only the current version supports the latest WCI file format. Search, therefore, e.g. on the Microsoft Corporation manufacturer website after an available Microsoft Indexing Service update.
To make sure that your WCI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .WCI file online - secure, fast, and no downloads needed.