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File Extensions

Clear explanations, compatible software, and practical guidance for file extensions.

35
Indexed file extensions
Popular searches:
.docx .psb .phtml .odt .pdf .7z

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35 extensions
Letter: C Clear all
.CRDOWNLOAD

Chrome Partial Download File

Data
.CRT

X.509 Security Certificate

Data
.CRX

Chromium Extension

Executable
.CSHTML

C# HTML

Programming
.CSPROJ

C# Project File

Programming
.CSPROJ.USER

Visual Studio Project User Options File

Programming
.CSS

Cascading Style Sheet

Programming
.CSV

Comma Separated Values

Data
.CSX

C# Script File

Programming
.CUP

SeeYou Waypoint File

Data
.CXX

C++ Source Code File

Programming
.CRDOWNLOAD

Chrome Partial Download File

Data
.CRT

X.509 Security Certificate

Data
.CRX

Chromium Extension

Executable
.CSHTML

C# HTML

Programming
.CSPROJ

C# Project File

Programming
.CSPROJ.USER

Visual Studio Project User Options File

Programming
.CSS

Cascading Style Sheet

Programming
.CSV

Comma Separated Values

Data
.CSX

C# Script File

Programming
.CUP

SeeYou Waypoint File

Data
.CXX

C++ Source Code File

Programming
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Frequently Asked Questions

Everything you need to know about file extensions

You can search by entering a file extension directly in the search bar or browse the directory by category or alphabetical index.

Each listing provides a definition of the file extension, common use cases, compatible software, supported platforms, and related or alternative formats.

The database is updated regularly to reflect new file extensions, changes in software compatibility, and evolving file format standards.