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File Extensions

Our AI-powered directory helps you understand file types, their compatibility, and alternatives.

669
Total extensions
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.docx .phtml .7z .step (.stp, .step) .json .tiff

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669 extensions

Frequently Asked Questions

Everything you need to know about file extensions

Use the search bar at the top of the page or browse by categories. You can also filter alphabetically.

Each listing shows the extension, file type description, and compatible software on different platforms.

Our database is regularly updated with new file extensions and software compatibility information.