What is the VSP file format?
.vsp is a project file format associated with VideoStudio, video editing software originally developed by Ulead Systems and now published by Corel. .vsp files store various project settings, timeline configurations, and references to external media resources. VideoStudio is a consumer-to-prosumer video editing application that offers advanced tools for adding special effects and other elements, along with a split-screen editing panel for real-time previewing. Projects can be exported to video formats such as .AVI, .MOV, or .MTS and burned to DVD or Blu-ray.
VideoStudio offers an intuitive user interface with a clear timeline and a real-time preview window alongside a feature-rich toolbar. Project settings - including cut points, transitions, titles, overlay tracks and effect parameters - are all saved in the .vsp file. Users can apply image filters, add subtitles and captions, use object tracking or picture-in-picture effects, and work with 360-degree video. VideoStudio 2024 (version 27) is the current release, continuing a product line that began in the late 1990s.
A .vsp file is a project descriptor only - it contains path references to external media files, not the media itself. Sharing a project requires bundling the .vsp together with all referenced files using VideoStudio's built-in Smart Package (Pack Project) function.
Security & safety
RISK: LOWVSP files are project descriptors for Corel VideoStudio and carry no executable code. They cannot contain malware in a meaningful sense; the risk comes from the media files they reference. Opening an unknown .vsp in VideoStudio is safe; be cautious about any media it points to.
Format details
in a nutshell- OpenVSP Parametric Geometry File - Used by NASA's OpenVSP aircraft design tool to store 3D parametric geometry definitions in XML - entirely unrelated to Corel VideoStudio.
- WordPerfect Presentation File (historical) - Older Corel/Novell WordPerfect software used .vsp for slide-show presentation files; effectively obsolete.
Programs that open VSP files
Windows1 app
Corel VideoStudio
Paid File > Open Project - browse to the .vsp file. If media is missing VideoStudio will prompt to re-link clips. Technical details
deep spec| Format type | Proprietary video-editing project descriptor (binary/XML-based) |
| Byte order | Little-endian |
| Compression | Not documented; media files are referenced externally, not embedded |
| Encryption | None confirmed |
| Typical file size | 50 KB - 5 MB (project metadata only; media stored separately) |
| Internal content | Timeline edit decisions - cut points, transition and effect settings, overlay tracks, title and subtitle parameters, referenced external media paths |
| Media embedding | None - the .vsp holds path references only; all source media must be present separately to render the project |
| Backward compatibility | VSP files from the Ulead era (pre-2006) may not open in current Corel VideoStudio without migration |
| Bundling tool | Corel VideoStudio Smart Package (Pack Project) - bundles the .vsp with all referenced media |
| Export targets | MP4, AVI, MOV, MPEG, MTS and other video formats; DVD and Blu-ray disc output |
| Platform | Windows only |
| Predecessor | Ulead Systems VideoStudio (late 1990s-2006); Corel acquired Ulead in 2006 and rebranded the product |
| Magic bytes | None publicly documented; proprietary binary/XML container |
| Released | Late 1990s as Ulead VideoStudio; Corel branding from 2007 |
| Latest version | VideoStudio 2024 (v27, 2024) |
| Specification | www.videostudiopro.com |
VSP conversions
Community Q&A
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