.STU File Extension

Pinnacle Studio Project File

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What is an STU file?

A STU file is a project file created by early versions of Pinnacle Studio, a program used to create and edit videos. It stores all project information, including video, audio, effects, and timelines. Pinnacle Studio no longer supports STU files.

More Information

Pinnacle Systems replaced STU files with the .STX project format. Before replacing the STU format, Pinnacle Studio saved and loaded video projects stored in STU files. Users saved projects as STU files to preserve editing progress, then exported the files to common video file types such as .AVI and .M4V.

How to open an STU file

Pinnacle Studio no longer supports STU files. You can only open the files with early versions of Pinnacle Studio, such as version 2.

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Programs that open STU files

Windows
Pinnacle Studio (earlier versions only)

Verified by FileInfo.com

The FileInfo.com team has independently researched the Pinnacle Studio Project file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

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