| File Extension: | CI |
| File Type Description: | Windows Content Indexer Catalog File |
| File Type Developer: | Microsoft Corporation |
| Primary Associated Software: | Microsoft Windows |
| Primary Software Developer: | Microsoft Corporation |
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Microsoft Corporation developed the Windows Content Indexer Catalog File file type when the Microsoft Windows was initially released. Annoymous user data statistics infer that CI files are most popular in United States and with those using Windows 10 devices. A high percentage of these users browse the web using Google Chrome.
 | Microsoft Windows by Microsoft Corporation |
 | Polyspace by MathWorks |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .TSQ | Microsoft Corporation | Developer Files | ODBC Script File |
| .ALI | Microsoft Corporation | Data Files | Dynamics AX Label Index File |
| .AMN | Microsoft Corporation | Data Files | Aero Studio 2008 Menu Data |
| .ML | Robin Milner | Developer Files | ML Source Code File |
| .JAVA | Oracle Corporation | Developer Files | Java Source Code |
| .CCH | Microsoft Corporation | Uncommon Files | .NET Security Resolution Cache File |
| .CDF | Wolfram Research | Page Layout Files | Computable Document Format File |
| .TTS | SumTotal Systems | Data Files | ToolBook Translation System File |
| .X | Microsoft Corporation | 3D Image Files | DirectX Model File |
| .WID | SAP | Data Files | SAP BusinessObjects Web Intelligence File |
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