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An .sgi file is an image saved in the Silicon Graphics Image format. This format was the native graphics format for many Silicon Graphics workstations. SGI files typically contain color images, shown using RGB color channels.

Because the SGI format is old and mostly obsolete, many image viewers and editors cannot open SGI files. To make working with SGI images easier, you may want to convert them to JPEG (.jpg) or PNG (.png). Doing so will allow you to open the images in most common image viewing and editing programs.

About File Helper

File Helper is a free web-based file utility that can open Silicon Graphics Image files and over 150 other file formats directly in your web browser. It displays file properties, including metadata, and image EXIF data, along with information about the corresponding file type. File Helper can also view and convert images to several common formats. Have an unknown file or a file without an extension? No problem — File Helper can identify over 15,000 file types.

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