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.XNB File Extension

File TypeXNA Game Studio Binary Package

3.5 (50 Votes)
CategoryGame Files

What is an XNB file?

Binary data file created with XNA Game Studio Express, an IDE designed for developing Windows and Xbox 360 games; contains one or more files in a single package.

More Information

The XNB format is considered an "intermediate format" since it packages original files into an proprietary file type. XNB files are referenced by games created with XNA Game Studio Express and are not meant to be opened manually.

An example game that uses XNB files is Terraria, a 2D action and adventure game. Terraria stores graphics, audio, and other game data using XNB files.

NOTE: While most XNB files cannot be opened directly, image files, such as .PNG images, may be extracted from an XNB file using a program like GXView (part of The GameTools Suite).

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Programs that open XNB files
Updated 10/18/2016

About XNB Files

Our goal is to help you understand what a file with a *.xnb suffix is and how to open it.

The XNA Game Studio Binary Package file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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